InnovaRx Innova Health Strategies
Pricing Sign in

A18.03

Tuberculosis of other bones

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 12 never code together
A15-A19block
Excludes1
  • congenital tuberculosis (P37.0)P37.0
  • nonspecific reaction to test for tuberculosis without active tuberculosis (R76.1-)R76.1-
  • pneumoconiosis associated with tuberculosis, any type in A15 (J65)A15J65
  • positive PPD (R76.11)R76.11
  • positive tuberculin skin test without active tuberculosis (R76.11)R76.11
  • sequelae of tuberculosis (B90.-)B90.-
  • silicotuberculosis (J65)J65
A00-B99chapter
Excludes1
  • certain localized infections - see body system-related chapters
Excludes2
  • carrier or suspected carrier of infectious disease (Z22.-)Z22.-
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)O98.-
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)P35-P39
  • influenza and other acute respiratory infections (J00-J22)J00-J22

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 6
A18.03code
Inclusion terms
  • Tuberculous mastoiditis
  • Tuberculous osteomyelitis
A15-A19block
Includes
  • infections due to Mycobacterium tuberculosis and Mycobacterium bovis
Use additional code
  • code, if applicable, for associated cachexia (E88.A)E88.A
A00-B99chapter
Includes
  • diseases generally recognized as communicable or transmissible
Use additional code
  • code to identify resistance to antimicrobial drugs (Z16.-)Z16.-
Index entries leading here 4
  • Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) A15.9
  • Caries
    • bone NEC A18.03
    • limb NEC (tuberculous) A18.03
    • tuberculous A18.03
    • orbit (tuberculous) A18.03
    • nose (tuberculous) A18.03
    • mastoid process (chronic) — see Mastoiditis, chronic
  • Dactylitis
  • Mastoiditis (coalescent) (hemorrhagic) (suppurative) H70.9
Alongside this code 3 same parent — A18.0
A18.01 Tuberculosis of spine A18.02 Tuberculous arthritis of other joints A18.09 Other musculoskeletal tuberculosis
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
A18.0
Block
A15-A19
Siblings
3

Present FY2024–FY2027.