ICD-10-CM
ICD-10 code lookup
Search the FY2027 ICD-10-CM code set from the CDC file dated June 16, 2026. It's the public CDC file. Check the official guidelines before you code.
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Chapters
- 1Certain infectious and parasitic diseasesA00-B99
- 2NeoplasmsC00-D49
- 3Diseases of the blood and blood-forming organsD50-D89
- 4Endocrine, nutritional and metabolic diseasesE00-E89
- 5Mental, behavioral and neurodevelopmental disordersF01-F99
- 6Diseases of the nervous systemG00-G99
- 7Diseases of the eye and adnexaH00-H59
- 8Diseases of the ear and mastoid processH60-H95
- 9Diseases of the circulatory systemI00-I99
- 10Diseases of the respiratory systemJ00-J99
- 11Diseases of the digestive systemK00-K95
- 12Diseases of the skin and subcutaneous tissueL00-L99
- 13Diseases of the musculoskeletal system and connective tissueM00-M99
- 14Diseases of the genitourinary systemN00-N99
- 15Pregnancy, childbirth and the puerperiumO00-O9A
- 16Certain conditions originating in the perinatal periodP00-P96
- 17Congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- 18Symptoms, signs and abnormal clinical and laboratory findingsR00-R99
- 19Injury, poisoning and certain other consequences of external causesS00-T88
- 20External causes of morbidityV00-Y99
- 21Factors influencing health status and contact with health servicesZ00-Z99
Questions
What is a billable code versus a header?
A header sits above more specific codes. A billable code is the most specific code in that branch of the CDC file. This page does not choose a code for a visit.
What is Excludes1 versus Excludes2?
Excludes1 means the two codes are not reported together. Excludes2 means the second condition can be reported along with the first when both are documented. Read the CDC guidelines before coding.
When do the codes change?
ICD-10-CM codes change every October 1.
Where does this file come from?
It's the public CDC file. Check the official guidelines before you code.