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ICD-10-CM · FY2026 · Apr
ICD-10-CM · FY2027
Upcoming
Oct 1, 2026 – Sep 30, 2027
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Chapter shortcuts
These are shortcuts to selected chapters, not complete specialty collections.
Cardiology
Endocrinology
Mental health
Musculoskeletal
Respiratory
Chapters · ICD-10-CM · FY2027
A00–B99
Certain infectious and parasitic diseases (A00-B99)
1,309 Code
↗
C00–D49
Neoplasms (C00-D49)
2,181 Code
↗
D50–D89
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
403 Code
↗
E00–E89
Endocrine, nutritional and metabolic diseases (E00-E89)
1,270 Code
↗
F01–F99
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
1,113 Code
↗
G00–G99
Diseases of the nervous system (G00-G99)
932 Code
↗
H00–H59
Diseases of the eye and adnexa (H00-H59)
3,466 Code
↗
H60–H95
Diseases of the ear and mastoid process (H60-H95)
871 Code
↗
I00–I99
Diseases of the circulatory system (I00-I99)
1,807 Code
↗
J00–J99
Diseases of the respiratory system (J00-J99)
478 Code
↗
K00–K95
Diseases of the digestive system (K00-K95)
1,117 Code
↗
L00–L99
Diseases of the skin and subcutaneous tissue (L00-L99)
1,207 Code
↗
M00–M99
Diseases of the musculoskeletal system and connective tissue (M00-M99)
8,707 Code
↗
N00–N99
Diseases of the genitourinary system (N00-N99)
1,047 Code
↗
O00–O9A
Pregnancy, childbirth and the puerperium (O00-O9A)
3,079 Code
↗
P00–P96
Certain conditions originating in the perinatal period (P00-P96)
565 Code
↗
Q00–QA1
Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
1,095 Code
↗
R00–R99
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
963 Code
↗
S00–T88
Injury, poisoning and certain other consequences of external causes (S00-T88)
54,325 Code
↗
V00–Y99
External causes of morbidity (V00-Y99)
10,602 Code
↗
Z00–Z99
Factors influencing health status and contact with health services (Z00-Z99)
1,861 Code
↗
U00–U49
Codes for special purposes (U00-U85)
5 Code
↗
