Updated for FY2027 · effective October 1, 2026
Find the right ICD-10 code, fast.
Free lookup for every 2027 ICD-10-CM diagnosis and ICD-10-PCS procedure code, with coding notes, excludes, 7th characters and full code history.
Tools
- ICD-10-CM diagnosis codesAll 22 chapters, 98,000+ codes with notes and excludes.
- ICD-10-PCS procedure codes80,000+ inpatient procedure codes, decoded character by character.
- Alphabetic indexLook up a condition the way coders do: by main term.
- Table of DrugsPoisoning, adverse effect and underdosing codes by substance.
- Table of NeoplasmsMalignant, benign, in situ and uncertain codes by site.
- 2027 code changes238 new, 4 revised and 21 deleted diagnosis codes.
New for 2027
All changes →- C78.31Secondary malignant neoplasm of larynx
- C78.32Secondary malignant neoplasm of pharynx
- C79.83Secondary malignant neoplasm of oral cavity
- D69.11Glanzmann thrombasthenia
- D69.19Other qualitative platelet defects
- E89.83Postprocedural hypoglycemia following a procedure
- E89.830Post bariatric hypoglycemia
- E89.838Other postprocedural hypoglycemia
Browse by chapter
- A00-B99Certain infectious and parasitic diseases
- C00-D49Neoplasms
- D50-D89Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
- E00-E89Endocrine, nutritional and metabolic diseases
- F01-F99Mental, Behavioral and Neurodevelopmental disorders
- G00-G99Diseases of the nervous system
- H00-H59Diseases of the eye and adnexa
- H60-H95Diseases of the ear and mastoid process
- I00-I99Diseases of the circulatory system
- J00-J99Diseases of the respiratory system
- K00-K95Diseases of the digestive system
- L00-L99Diseases of the skin and subcutaneous tissue
- M00-M99Diseases of the musculoskeletal system and connective tissue
- N00-N99Diseases of the genitourinary system
- O00-O9APregnancy, childbirth and the puerperium
- P00-P96Certain conditions originating in the perinatal period
- Q00-QA1Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders
- R00-R99Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- S00-T88Injury, poisoning and certain other consequences of external causes
- V00-Y99External causes of morbidity
- Z00-Z99Factors influencing health status and contact with health services
- U00-U85Codes for special purposes