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)
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).