ICD-10-CM Codes
International Classification of Diseases, 10th Revision, Clinical Modification
Chapters
A00-B99Certain infectious and parasitic diseases (A00-B99)
C00-D49Neoplasms (C00-D49)
D50-D89Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
E00-E89Endocrine, nutritional and metabolic diseases (E00-E89)
F01-F99Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
G00-G99Diseases of the nervous system (G00-G99)
H00-H59Diseases of the eye and adnexa (H00-H59)
H60-H95Diseases of the ear and mastoid process (H60-H95)
I00-I99Diseases of the circulatory system (I00-I99)
J00-J99Diseases of the respiratory system (J00-J99)
K00-K95Diseases of the digestive system (K00-K95)
L00-L99Diseases of the skin and subcutaneous tissue (L00-L99)
M00-M99Diseases of the musculoskeletal system and connective tissue (M00-M99)
N00-N99Diseases of the genitourinary system (N00-N99)
O00-O9APregnancy, childbirth and the puerperium (O00-O9A)
P00-P96Certain conditions originating in the perinatal period (P00-P96)
Q00-QA0Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA0)
R00-R99Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
S00-T88Injury, poisoning and certain other consequences of external causes (S00-T88)
U00-U49Codes for special purposes (U00-U85)
V00-Y99External causes of morbidity (V00-Y99)
Z00-Z99Factors influencing health status and contact with health services (Z00-Z99)
About ICD-10-CM
ICD-10-CM (Clinical Modification) is the standard diagnosis coding system used for medical claims and clinical documentation in the United States.
Code Structure: Codes are 3-7 characters, starting with a letter followed by digits and an optional decimal. More specific codes are required for billing (billable codes).