2025 ICD-10-CM Codes

ICD-10-CM Codes Description

A00-B99
Certain infectious and parasitic diseases (A00-B99)
C00-D49
Neoplasms (C00-D49)

D50-D89
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
E00-E89
Endocrine, nutritional and metabolic diseases (E00-E89)
F01-F99
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

G00-G99
Diseases of the nervous system (G00-G99)
H00-H59
Diseases of the eye and adnexa (H00-H59)
H60-H95
Diseases of the ear and mastoid process (H60-H95)

I00-I99
Diseases of the circulatory system (I00-I99)
J00-J99
Diseases of the respiratory system (J00-J99)
K00-K95
Diseases of the digestive system (K00-K95)

L00-L99
Diseases of the skin and subcutaneous tissue (L00-L99)
M00-M99
Diseases of the musculoskeletal system and connective tissue (M00-M99)
N00-N99
Diseases of the genitourinary system (N00-N99)

O00-O9A
Pregnancy, childbirth and the puerperium (O00-O9A)
P00-P96
Certain conditions originating in the perinatal period (P00-P96)
Q00-Q99
Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

R00-R99
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
S00-T88
Injury, poisoning and certain other consequences of external causes (S00-T88)
U00-U85
Codes for special purposes (U00-U85)

V00-Y99
External causes of morbidity (V00-Y99)
Z00-Z99
Factors influencing health status and contact with health services (Z00-Z99)

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