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ICD-10-CM Diagnosis Codes →
section notes
A00.0‑B99.9   1. Certain infectious and parasitic diseases (A00-B99)
C00.0‑D49.9   2. Neoplasms (C00-D49)
D50.0‑D89.9   3. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
E00.0‑E89.89   4. Endocrine, nutritional and metabolic diseases (E00-E89)
F01.50‑F99   5. Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
G00.0‑G99.8   6. Diseases of the nervous system (G00-G99)
H00.011‑H59.89   7. Diseases of the eye and adnexa (H00-H59)
H60.00‑H95.89   8. Diseases of the ear and mastoid process (H60-H95)
I00‑I99.9   9. Diseases of the circulatory system (I00-I99)
J00‑J99   10. Diseases of the respiratory system (J00-J99)
K00.0‑K95.89   11. Diseases of the digestive system (K00-K95)
L00‑L99   12. Diseases of the skin and subcutaneous tissue (L00-L99)
M00.00‑M99.9   13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
N00.0‑N99.89   14. Diseases of the genitourinary system (N00-N99)
O00.00‑O9A.53   15. Pregnancy, childbirth and the puerperium (O00-O9A)
P00.0‑P96.9   16. Certain conditions originating in the perinatal period (P00-P96)
Q00.0‑Q99.9   17. Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
R00.0‑R99   18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
S00.00XA‑T88.9XXS   19. Injury, poisoning and certain other consequences of external causes (S00-T88)
V00.01XA‑Y99.9   20. External causes of morbidity (V00-Y99)
Z00.00‑Z99.89   21. Factors influencing health status and contact with health services (Z00-Z99)
U07.0‑U09.9   22. Codes for special purposes (U00-U85)
A04.7‑Z98.89   -/+ Deleted, Replaced, Expanded Codes
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