Skip to content
Dx

ICD-10-CM 2027 · A30-A49

Other bacterial diseases

Part of chapter 1, certain infectious and parasitic diseases.

About A30-A49

Block A30-A49 contains 18 categories and 115 billable codes for FY2027. No codes here changed in the FY2027 update. 41 codes are MCCs and 63 are CCs when reported as secondary diagnoses.

A30Leprosy [Hansen's disease]

A31Infection due to other mycobacteria

A32Listeriosis

A33Tetanus neonatorum

A34Obstetrical tetanus

A35Other tetanus

A36Diphtheria

A37Whooping cough

A38Scarlet fever

A39Meningococcal infection

A40Streptococcal sepsis

A41Other sepsis

A42Actinomycosis

A43Nocardiosis

A44Bartonellosis

A46Erysipelas

A48Other bacterial diseases, not elsewhere classified

A49Bacterial infection of unspecified site