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ICD-10-CM diagnosis codes for common specialties, grouped by code range.
I00-I99
Diseases of the circulatory system including heart conditions, hypertension, and vascular disorders.
G00-G99
Diseases of the nervous system including brain, spinal cord, and nerve disorders.
M00-M99
Diseases of the musculoskeletal system including bone, joint, and connective tissue disorders.
J00-J99
Diseases of the respiratory system including lung conditions and breathing disorders.
P00-P96
Conditions originating in the perinatal period and congenital malformations.
C00-D49
Neoplasms including malignant and benign tumors across all body systems.