ICD-10-CM 2027
ICD-10 code for jaw tuberculosis
From the official ICD-10-CM alphabetic index entry “Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › jaw”. Page updated September 29, 2026.
About coding jaw tuberculosis
The ICD-10-CM code for jaw tuberculosis is A18.03 (Tuberculosis of other bones).
Within A18.0, choose A18.03 (Tuberculosis of other bones) only when documentation doesn't support a more specific option: tuberculosis of spine (A18.01), tuberculous arthritis of other joints (A18.02) and other musculoskeletal tuberculosis (A18.09).
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
In MS-DRG v44.0, it is part of the grouping logic for DRG 539 (Osteomyelitis with MCC, relative weight 1.9385), DRG 540 (Osteomyelitis with CC, relative weight 1.3079), DRG 541 (Osteomyelitis without CC/MCC, relative weight 0.8297), DRG 974 (HIV with Major Related Condition with MCC, relative weight 3.0506), DRG 975 (HIV with Major Related Condition with CC, relative weight 1.3252) and DRG 976 (HIV with Major Related Condition without CC/MCC, relative weight 0.8124), in MDC 08 (Diseases and Disorders of the Musculoskeletal System and Connective Tissue) and MDC 25 (Human Immunodeficiency Virus Infections), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
Common questions about jaw tuberculosis ICD-10 codes
What is the ICD-10 code for jaw tuberculosis?
- A18.03 — Tuberculosis of other bones.
Is A18.03 billable?
- Yes. A18.03 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can A18.03 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict A18.03 as a principal diagnosis.
Is A18.03 a CC or MCC?
- A18.03 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.