ICD-10 codes for FY2027

98,403 ICD-10-CM diagnosis codes (74,879 billable), 79,256 ICD-10-PCS procedure codes and 743 MS-DRGs, from the official CMS release valid from October 1, 2026.

Common conditions

ICD-10-CM chapters

1. A00–B99Certain Infectious and Parasitic Diseases1,309
2. C00–D49Neoplasms2,181
3. D50–D89Diseases of the Blood and Blood-Forming Organs403
4. E00–E89Endocrine, Nutritional and Metabolic Diseases1,270
5. F01–F99Mental, Behavioral and Neurodevelopmental Disorders1,113
6. G00–G99Diseases of the Nervous System932
7. H00–H59Diseases of the Eye and Adnexa3,466
8. H60–H95Diseases of the Ear and Mastoid Process871
9. I00–I99Diseases of the Circulatory System1,807
10. J00–J99Diseases of the Respiratory System478
11. K00–K95Diseases of the Digestive System1,117
12. L00–L99Diseases of the Skin and Subcutaneous Tissue1,207
13. M00–M99Diseases of the Musculoskeletal System and Connective Tissue8,707
14. N00–N99Diseases of the Genitourinary System1,047
15. O00–O9APregnancy, Childbirth and the Puerperium3,079
16. P00–P96Certain Conditions Originating in the Perinatal Period565
17. Q00–Q99Congenital Malformations, Deformations and Chromosomal Abnormalities1,095
18. R00–R99Symptoms, Signs and Abnormal Clinical and Laboratory Findings963
19. S00–T88Injury, Poisoning and Certain Other Consequences of External Causes54,325
20. V00–Y99External Causes of Morbidity10,602
21. Z00–Z99Factors Influencing Health Status and Contact with Health Services1,861
22. U00–U85Codes for Special Purposes5