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ICD-10-CM 2027

ICD-10 code for abnormal

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Abnormal, abnormality, abnormalities”. Page updated September 29, 2026.

About coding abnormal

The official ICD-10-CM index doesn't give a single default code for abnormal; the code depends on the details below.

More specific abnormal codes (official index)

  • acid-base balance (mixed) E87.4 — Mixed disorder of acid-base balance
  • albumin R77.0 — Abnormality of albumin
  • alphafetoprotein R77.2 — Abnormality of alphafetoprotein
  • alveolar ridge K08.9 — Disorder of teeth and supporting structures, unspecified
  • anatomical relationship Q89.9 — Congenital malformation, unspecified
  • anti-cyclic citrullinated protein antibody and rheumatoid factor R76.81 — Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis
  • anti-CCP (cyclic citrullinated protein) R76.81 — Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis
  • apertures, congenital, diaphragm Q79.1 — Other congenital malformations of diaphragm
  • atrial septal, specified NEC Q21.19 — Other specified atrial septal defect
  • auditory perception H93.29 — Other abnormal auditory perceptions
  • diplacusis
  • hyperacusis
  • recruitment
  • threshold shift
  • autosomes Q99.9 — Chromosomal abnormality, unspecified
  • fragile site Q95.5 — Individual with autosomal fragile site
  • basal metabolic rate R94.8 — Abnormal results of function studies of other organs and systems
  • biosynthesis, testicular androgen E29.1 — Testicular hypofunction
  • bleeding time R79.1 — Abnormal coagulation profile
  • blood amino-acid level R79.83 — Abnormal findings of blood amino-acid level
  • blood-gas level R79.81 — Abnormal blood-gas level
  • blood level (of)
  • cobalt R79.0 — Abnormal level of blood mineral
  • copper R79.0 — Abnormal level of blood mineral
  • iron R79.0 — Abnormal level of blood mineral
  • lithium R78.89 — Finding of other specified substances, not normally found in blood
  • magnesium R79.0 — Abnormal level of blood mineral
  • mineral NEC R79.0 — Abnormal level of blood mineral
  • zinc R79.0 — Abnormal level of blood mineral
  • blood pressure
  • elevated R03.0 — Elevated blood-pressure reading, without diagnosis of hypertension
  • low reading (nonspecific) R03.1 — Nonspecific low blood-pressure reading
  • blood sugar R73.09 — Other abnormal glucose
  • bowel sounds R19.15 — Other abnormal bowel sounds
  • absent R19.11 — Absent bowel sounds
  • hyperactive R19.12 — Hyperactive bowel sounds
  • brain scan R94.02 — Abnormal brain scan
  • breathing R06.9 — Unspecified abnormalities of breathing
  • caloric test R94.138 — Abnormal results of other function studies of peripheral nervous system
  • cerebrospinal fluid R83.9 — Unspecified abnormal finding in cerebrospinal fluid
  • cytology R83.6 — Abnormal cytological findings in cerebrospinal fluid
  • drug level R83.2 — Abnormal level of other drugs, medicaments and biological substances in cerebrospinal fluid
  • enzyme level R83.0 — Abnormal level of enzymes in cerebrospinal fluid
  • hormones R83.1 — Abnormal level of hormones in cerebrospinal fluid
  • immunology R83.4 — Abnormal immunological findings in cerebrospinal fluid
  • microbiology R83.5 — Abnormal microbiological findings in cerebrospinal fluid
  • nonmedicinal level R83.3 — Abnormal level of substances chiefly nonmedicinal as to source in cerebrospinal fluid
  • specified type NEC R83.8 — Other abnormal findings in cerebrospinal fluid
  • chemistry, blood R79.9 — Abnormal finding of blood chemistry, unspecified
  • C-reactive protein R79.82 — Elevated C-reactive protein (CRP)
  • drugs
  • gas level R79.81 — Abnormal blood-gas level
  • minerals R79.0 — Abnormal level of blood mineral
  • pancytopenia D61.818 — Other pancytopenia
  • PTT R79.1 — Abnormal coagulation profile
  • specified NEC R79.89 — Other specified abnormal findings of blood chemistry
  • toxins
  • chest sounds (friction) (rales) R09.89 — Other specified symptoms and signs involving the circulatory and respiratory systems
  • chromosome, chromosomal Q99.9 — Chromosomal abnormality, unspecified
  • with more than three X chromosomes, female Q97.1 — Female with more than three X chromosomes
  • analysis result R89.8 — Other abnormal findings in specimens from other organs, systems and tissues
  • bronchial washings R84.8 — Other abnormal findings in specimens from respiratory organs and thorax
  • cerebrospinal fluid R83.8 — Other abnormal findings in cerebrospinal fluid
  • cervix uteri NEC R87.89 — Other abnormal findings in specimens from female genital organs
  • nasal secretions R84.8 — Other abnormal findings in specimens from respiratory organs and thorax
  • nipple discharge R89.8 — Other abnormal findings in specimens from other organs, systems and tissues
  • peritoneal fluid R85.89 — Other abnormal findings in specimens from digestive organs and abdominal cavity
  • pleural fluid R84.8 — Other abnormal findings in specimens from respiratory organs and thorax
  • prostatic secretions R86.8 — Other abnormal findings in specimens from male genital organs
  • saliva R85.89 — Other abnormal findings in specimens from digestive organs and abdominal cavity
  • seminal fluid R86.8 — Other abnormal findings in specimens from male genital organs
  • sputum R84.8 — Other abnormal findings in specimens from respiratory organs and thorax
  • synovial fluid R89.8 — Other abnormal findings in specimens from other organs, systems and tissues
  • throat scrapings R84.8 — Other abnormal findings in specimens from respiratory organs and thorax
  • vagina R87.89 — Other abnormal findings in specimens from female genital organs
  • vulva R87.89 — Other abnormal findings in specimens from female genital organs
  • wound secretions R89.8 — Other abnormal findings in specimens from other organs, systems and tissues
  • dicentric replacement Q93.2 — Chromosome replaced with ring, dicentric or isochromosome
  • ring replacement Q93.2 — Chromosome replaced with ring, dicentric or isochromosome
  • sex Q99.8 — Other specified chromosome abnormalities
  • female phenotype Q97.9 — Sex chromosome abnormality, female phenotype, unspecified
  • specified NEC Q97.8 — Other specified sex chromosome abnormalities, female phenotype
  • male phenotype Q98.9 — Sex chromosome abnormality, male phenotype, unspecified
  • specified NEC Q98.8 — Other specified sex chromosome abnormalities, male phenotype
  • structural male Q98.6 — Male with structurally abnormal sex chromosome
  • specified NEC Q99.8 — Other specified chromosome abnormalities
  • clinical findings NEC R68.89 — Other general symptoms and signs
  • coagulation D68.9 — Coagulation defect, unspecified
  • newborn, transient P61.6 — Other transient neonatal disorders of coagulation
  • profile R79.1 — Abnormal coagulation profile
  • time R79.1 — Abnormal coagulation profile
  • communication
  • conjunctiva, vascular H11.41 — Vascular abnormalities of conjunctiva
  • coronary artery Q24.5 — Malformation of coronary vessels
  • cortisol-binding globulin E27.8 — Other specified disorders of adrenal gland
  • course, eustachian tube Q17.8 — Other specified congenital malformations of ear
  • creatinine clearance R94.4 — Abnormal results of kidney function studies
  • cytology
  • anus R85.619 — Unspecified abnormal cytological findings in specimens from anus
  • atypical squamous cells cannot exclude high grade squamous intraepithelial lesion (ASC-H) R85.611 — Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of anus (ASC-H)
  • atypical squamous cells of undetermined significance (ASC-US) R85.610 — Atypical squamous cells of undetermined significance on cytologic smear of anus (ASC-US)
  • cytologic evidence of malignancy R85.614 — Cytologic evidence of malignancy on smear of anus
  • high grade squamous intraepithelial lesion (HGSIL) R85.613 — High grade squamous intraepithelial lesion on cytologic smear of anus (HGSIL)
  • human papillomavirus (HPV) DNA test
  • high risk positive R85.81 — Anal high risk human papillomavirus (HPV) DNA test positive
  • low risk positive R85.82 — Anal low risk human papillomavirus (HPV) DNA test positive
  • inadequate smear R85.615 — Unsatisfactory cytologic smear of anus
  • low grade squamous intraepithelial lesion (LGSIL) R85.612 — Low grade squamous intraepithelial lesion on cytologic smear of anus (LGSIL)
  • satisfactory anal smear but lacking transformation zone R85.616 — Satisfactory anal smear but lacking transformation zone
  • specified NEC R85.618 — Other abnormal cytological findings on specimens from anus
  • unsatisfactory smear R85.615 — Unsatisfactory cytologic smear of anus
  • female genital organs
  • dark adaptation curve H53.61 — Abnormal dark adaptation curve
  • dentofacial NEC
  • development, developmental Q89.9 — Congenital malformation, unspecified
  • central nervous system Q07.9 — Congenital malformation of nervous system, unspecified
  • diagnostic imaging
  • abdomen, abdominal region NEC R93.5 — Abnormal findings on diagnostic imaging of other abdominal regions, including retroperitoneum
  • biliary tract R93.2 — Abnormal findings on diagnostic imaging of liver and biliary tract
  • bladder R93.41 — Abnormal radiologic findings on diagnostic imaging of renal pelvis, ureter, or bladder
  • breast R92.8 — Other abnormal and inconclusive findings on diagnostic imaging of breast
  • central nervous system NEC R90.89 — Other abnormal findings on diagnostic imaging of central nervous system
  • cerebrovascular NEC R90.89 — Other abnormal findings on diagnostic imaging of central nervous system
  • coronary circulation R93.1 — Abnormal findings on diagnostic imaging of heart and coronary circulation
  • digestive tract NEC R93.3 — Abnormal findings on diagnostic imaging of other parts of digestive tract
  • gastrointestinal (tract) R93.3 — Abnormal findings on diagnostic imaging of other parts of digestive tract
  • genitourinary organs R93.89 — Abnormal findings on diagnostic imaging of other specified body structures
  • head R93.0 — Abnormal findings on diagnostic imaging of skull and head, not elsewhere classified
  • heart R93.1 — Abnormal findings on diagnostic imaging of heart and coronary circulation
  • intrathoracic organ NEC R93.89 — Abnormal findings on diagnostic imaging of other specified body structures
  • kidney R93.42 — Abnormal radiologic findings on diagnostic imaging of kidney
  • limbs R93.6 — Abnormal findings on diagnostic imaging of limbs
  • liver R93.2 — Abnormal findings on diagnostic imaging of liver and biliary tract
  • lung (field) R91.8 — Other nonspecific abnormal finding of lung field
  • musculoskeletal system NEC R93.7 — Abnormal findings on diagnostic imaging of other parts of musculoskeletal system
  • renal pelvis R93.41 — Abnormal radiologic findings on diagnostic imaging of renal pelvis, ureter, or bladder
  • retroperitoneum R93.5 — Abnormal findings on diagnostic imaging of other abdominal regions, including retroperitoneum
  • site specified NEC R93.89 — Abnormal findings on diagnostic imaging of other specified body structures
  • skin and subcutaneous tissue R93.89 — Abnormal findings on diagnostic imaging of other specified body structures
  • skull R93.0 — Abnormal findings on diagnostic imaging of skull and head, not elsewhere classified
  • testis R93.81 — Abnormal radiologic findings on diagnostic imaging of testis
  • urinary organs specified NEC R93.49 — Abnormal radiologic findings on diagnostic imaging of other urinary organs
  • ureter R93.41 — Abnormal radiologic findings on diagnostic imaging of renal pelvis, ureter, or bladder
  • direction, teeth, fully erupted M26.30 — Unspecified anomaly of tooth position of fully erupted tooth or teeth
  • ear ossicles, acquired NEC H74.39 — Other acquired abnormalities of ear ossicles
  • ankylosis
  • discontinuity
  • partial loss
  • Ebstein Q22.5 — Ebstein's anomaly
  • echocardiogram R93.1 — Abnormal findings on diagnostic imaging of heart and coronary circulation
  • echoencephalogram R90.81 — Abnormal echoencephalogram
  • echogram
  • electrocardiogram [ECG] [EKG] R94.31 — Abnormal electrocardiogram [ECG] [EKG]
  • electroencephalogram [EEG] R94.01 — Abnormal electroencephalogram [EEG]
  • electrolyte
  • electromyogram [EMG] R94.131 — Abnormal electromyogram [EMG]
  • electro-oculogram [EOG] R94.110 — Abnormal electro-oculogram [EOG]
  • electrophysiological intracardiac studies R94.39 — Abnormal result of other cardiovascular function study
  • electroretinogram [ERG] R94.111 — Abnormal electroretinogram [ERG]
  • erythrocytes
  • congenital, with perinatal jaundice D58.9 — Hereditary hemolytic anemia, unspecified
  • feces (color) (contents) (mucus) R19.5 — Other fecal abnormalities
  • finding
  • fluid
  • amniotic
  • cerebrospinal
  • peritoneal
  • pleural
  • synovial
  • thorax (bronchial washings) (pleural fluid)
  • vaginal
  • form
  • teeth K00.2 — Abnormalities of size and form of teeth
  • uterus
  • function studies
  • auditory R94.120 — Abnormal auditory function study
  • bladder R94.8 — Abnormal results of function studies of other organs and systems
  • brain R94.09 — Abnormal results of other function studies of central nervous system
  • cardiovascular R94.30 — Abnormal result of cardiovascular function study, unspecified
  • ear R94.128 — Abnormal results of other function studies of ear and other special senses
  • endocrine NEC R94.7 — Abnormal results of other endocrine function studies
  • eye NEC R94.118 — Abnormal results of other function studies of eye
  • kidney R94.4 — Abnormal results of kidney function studies
  • liver R94.5 — Abnormal results of liver function studies
  • nervous system
  • central NEC R94.09 — Abnormal results of other function studies of central nervous system
  • peripheral NEC R94.138 — Abnormal results of other function studies of peripheral nervous system
  • pancreas R94.8 — Abnormal results of function studies of other organs and systems
  • placenta R94.8 — Abnormal results of function studies of other organs and systems
  • pulmonary R94.2 — Abnormal results of pulmonary function studies
  • special senses NEC R94.128 — Abnormal results of other function studies of ear and other special senses
  • spleen R94.8 — Abnormal results of function studies of other organs and systems
  • thyroid R94.6 — Abnormal results of thyroid function studies
  • vestibular R94.121 — Abnormal vestibular function study
  • gait
  • hysterical F44.4 — Conversion disorder with motor symptom or deficit
  • gastrin secretion E16.4 — Increased secretion of gastrin
  • globulin R77.1 — Abnormality of globulin
  • cortisol-binding E27.8 — Other specified disorders of adrenal gland
  • thyroid-binding E07.89 — Other specified disorders of thyroid
  • glomerular, minor N05.0 — Unspecified nephritic syndrome with minor glomerular abnormality
  • glucagon secretion E16.3 — Increased secretion of glucagon
  • glucose tolerance (test) (non-fasting) R73.09 — Other abnormal glucose
  • gravitational (G) forces or states (effect of) T75.81 — Effects of abnormal gravitation [G] forces
  • hair (color) (shaft) L67.9 — Hair color and hair shaft abnormality, unspecified
  • specified NEC L67.8 — Other hair color and hair shaft abnormalities
  • hard tissue formation in pulp (dental) K04.3 — Abnormal hard tissue formation in pulp
  • head movement R25.0 — Abnormal head movements
  • heart
  • rate R00.9 — Unspecified abnormalities of heart beat
  • specified NEC R00.8 — Other abnormalities of heart beat
  • shadow R93.1 — Abnormal findings on diagnostic imaging of heart and coronary circulation
  • sounds NEC R01.2 — Other cardiac sounds
  • hemoglobin (disease) D58.2 — Other hemoglobinopathies
  • trait
  • histology NEC R89.7 — Abnormal histological findings in specimens from other organs, systems and tissues
  • immunological findings R89.4 — Abnormal immunological findings in specimens from other organs, systems and tissues
  • in serum R76.9 — Abnormal immunological finding in serum, unspecified
  • specified NEC R76.89 — Other specified abnormal immunological findings in serum
  • increase in appetite R63.2 — Polyphagia
  • involuntary movement
  • jaw closure M26.51 — Abnormal jaw closure
  • karyotype R89.8 — Other abnormal findings in specimens from other organs, systems and tissues
  • kidney function test R94.4 — Abnormal results of kidney function studies
  • knee jerk R29.2 — Abnormal reflex
  • leukocyte (cell) (differential) NEC D72.9 — Disorder of white blood cells, unspecified
  • liver function test R79.89 — Other specified abnormal findings of blood chemistry
  • loss of
  • height R29.890 — Loss of height
  • weight R63.4 — Abnormal weight loss
  • mammogram NEC R92.8 — Other abnormal and inconclusive findings on diagnostic imaging of breast
  • calcification (calculus) R92.1 — Mammographic calcification found on diagnostic imaging of breast
  • microcalcification R92.0 — Mammographic microcalcification found on diagnostic imaging of breast
  • Mantoux test R76.11 — Nonspecific reaction to tuberculin skin test without active tuberculosis
  • movement (disorder)
  • head R25.0 — Abnormal head movements
  • involuntary R25.9 — Unspecified abnormal involuntary movements
  • fasciculation R25.3 — Fasciculation
  • of head R25.0 — Abnormal head movements
  • spasm R25.2 — Cramp and spasm
  • specified type NEC R25.8 — Other abnormal involuntary movements
  • tremor R25.1 — Tremor, unspecified
  • myoglobin (Aberdeen) (Annapolis) R89.7 — Abnormal histological findings in specimens from other organs, systems and tissues
  • neonatal screening P09.9 — Abnormal findings on neonatal screening, unspecified
  • for
  • congenital adrenal hyperplasia P09.2 — Abnormal findings on neonatal screening for congenital endocrine disease
  • congenital endocrine disease P09.2 — Abnormal findings on neonatal screening for congenital endocrine disease
  • congenital hematologic disorders P09.3 — Abnormal findings on neonatal screening for congenital hematologic disorders
  • critical congenital heart disease P09.5 — Abnormal findings on neonatal screening for critical congenital heart disease
  • cystic fibrosis P09.4 — Abnormal findings on neonatal screening for cystic fibrosis
  • hemoglobinopathy P09.3 — Abnormal findings on neonatal screening for congenital hematologic disorders
  • hypothyroidism P09.2 — Abnormal findings on neonatal screening for congenital endocrine disease
  • inborn errors of metabolism P09.1 — Abnormal findings on neonatal screening for inborn errors of metabolism
  • red cell membrane defects P09.3 — Abnormal findings on neonatal screening for congenital hematologic disorders
  • sickle cell P09.3 — Abnormal findings on neonatal screening for congenital hematologic disorders
  • specified NEC P09.8 — Other abnormal findings on neonatal screening
  • hearing P09.6 — Abnormal findings on neonatal hearing screening
  • oculomotor study R94.113 — Abnormal oculomotor study
  • palmar creases Q82.8 — Other specified congenital malformations of skin
  • Papanicolaou (smear)
  • anus R85.619 — Unspecified abnormal cytological findings in specimens from anus
  • atypical squamous cells cannot exclude high grade squamous intraepithelial lesion (ASC-H) R85.611 — Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of anus (ASC-H)
  • atypical squamous cells of undetermined significance (ASC-US) R85.610 — Atypical squamous cells of undetermined significance on cytologic smear of anus (ASC-US)
  • cytologic evidence of malignancy R85.614 — Cytologic evidence of malignancy on smear of anus
  • high grade squamous intraepithelial lesion (HGSIL) R85.613 — High grade squamous intraepithelial lesion on cytologic smear of anus (HGSIL)
  • human papillomavirus (HPV) DNA test
  • high risk positive R85.81 — Anal high risk human papillomavirus (HPV) DNA test positive
  • low risk positive R85.82 — Anal low risk human papillomavirus (HPV) DNA test positive
  • inadequate smear R85.615 — Unsatisfactory cytologic smear of anus
  • low grade squamous intraepithelial lesion (LGSIL) R85.612 — Low grade squamous intraepithelial lesion on cytologic smear of anus (LGSIL)
  • satisfactory anal smear but lacking transformation zone R85.616 — Satisfactory anal smear but lacking transformation zone
  • specified NEC R85.618 — Other abnormal cytological findings on specimens from anus
  • unsatisfactory smear R85.615 — Unsatisfactory cytologic smear of anus
  • bronchial washings R84.6 — Abnormal cytological findings in specimens from respiratory organs and thorax
  • cerebrospinal fluid R83.6 — Abnormal cytological findings in cerebrospinal fluid
  • cervix R87.619 — Unspecified abnormal cytological findings in specimens from cervix uteri
  • atypical squamous cells cannot exclude high grade squamous intraepithelial lesion (ASC-H) R87.611 — Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of cervix (ASC-H)
  • atypical squamous cells of undetermined significance (ASC-US) R87.610 — Atypical squamous cells of undetermined significance on cytologic smear of cervix (ASC-US)
  • cytologic evidence of malignancy R87.614 — Cytologic evidence of malignancy on smear of cervix
  • high grade squamous intraepithelial lesion (HGSIL) R87.613 — High grade squamous intraepithelial lesion on cytologic smear of cervix (HGSIL)
  • inadequate smear R87.615 — Unsatisfactory cytologic smear of cervix
  • low grade squamous intraepithelial lesion (LGSIL) R87.612 — Low grade squamous intraepithelial lesion on cytologic smear of cervix (LGSIL)
  • non-atypical endometrial cells R87.618 — Other abnormal cytological findings on specimens from cervix uteri
  • satisfactory cervical smear but lacking transformation zone R87.616 — Satisfactory cervical smear but lacking transformation zone
  • specified NEC R87.618 — Other abnormal cytological findings on specimens from cervix uteri
  • thin preparation R87.619 — Unspecified abnormal cytological findings in specimens from cervix uteri
  • unsatisfactory smear R87.615 — Unsatisfactory cytologic smear of cervix
  • nasal secretions R84.6 — Abnormal cytological findings in specimens from respiratory organs and thorax
  • nipple discharge R89.6 — Abnormal cytological findings in specimens from other organs, systems and tissues
  • peritoneal fluid R85.69 — Abnormal cytological findings in specimens from other digestive organs and abdominal cavity
  • pleural fluid R84.6 — Abnormal cytological findings in specimens from respiratory organs and thorax
  • prostatic secretions R86.6 — Abnormal cytological findings in specimens from male genital organs
  • saliva R85.69 — Abnormal cytological findings in specimens from other digestive organs and abdominal cavity
  • seminal fluid R86.6 — Abnormal cytological findings in specimens from male genital organs
  • sites NEC R89.6 — Abnormal cytological findings in specimens from other organs, systems and tissues
  • sputum R84.6 — Abnormal cytological findings in specimens from respiratory organs and thorax
  • synovial fluid R89.6 — Abnormal cytological findings in specimens from other organs, systems and tissues
  • throat scrapings R84.6 — Abnormal cytological findings in specimens from respiratory organs and thorax
  • vagina R87.629 — Unspecified abnormal cytological findings in specimens from vagina
  • atypical squamous cells cannot exclude high grade squamous intraepithelial lesion (ASC-H) R87.621 — Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of vagina (ASC-H)

See all 473 entries in the alphabetic index

Common questions about abnormal ICD-10 codes

What is the ICD-10 code for acid-base balance abnormal?

E87.4 — Mixed disorder of acid-base balance.

What is the ICD-10 code for albumin abnormal?

R77.0 — Abnormality of albumin.

What is the ICD-10 code for alphafetoprotein abnormal?

R77.2 — Abnormality of alphafetoprotein.

What is the ICD-10 code for alveolar ridge abnormal?

K08.9 — Disorder of teeth and supporting structures, unspecified.

What is the ICD-10 code for anatomical relationship abnormal?

Q89.9 — Congenital malformation, unspecified.

What is the ICD-10 code for anti-ccp abnormal?

R76.81 — Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis.

What is the ICD-10 code for auditory perception abnormal?

H93.29 — Other abnormal auditory perceptions (header code; choose a more specific subcode).