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A18.01

Tuberculosis of spine

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 8
A18.01code
Inclusion terms
  • Pott's disease or curvature of spine
  • Tuberculous arthritis
  • Tuberculous osteomyelitis of spine
  • Tuberculous spondylitis
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 19
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
    • bone (subperiosteal) — see also Osteomyelitis, specified type NEC
    • joint — see Arthritis, pyogenic or pyemic
    • lumbar (tuberculous) A18.01
    • sacrum (tuberculous) A18.01
    • spine (column) (tuberculous) A18.01
    • vertebra (column) (tuberculous) A18.01
  • Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) A15.9
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) M19.90
  • Caries
    • vertebra (column) (tuberculous) A18.01
    • sacrum (tuberculous) A18.01
    • spine, spinal (column) (tuberculous) A18.01
  • Chondritis M94.8X9
  • Curvature
    • spine (acquired) (angular) (idiopathic) (incorrect) (postural) — see Dorsopathy, deforming
      • tuberculous A18.01
      • due to or associated with
        • tuberculosis (Pott's curvature) A18.01
    • Pott's (spinal) A18.01
  • Pott's
  • Disease, diseased — see also Syndrome
    • spine — see also Spondylopathy
  • Fistula (cutaneous) L98.8
  • Granuloma L92.9
  • Spondylitis (chronic) — see also Spondylopathy, inflammatory
  • Kyphoscoliosis, kyphoscoliotic (acquired) M41.9
  • Kyphosis, kyphotic (acquired) M40.209
  • Lordosis M40.50
  • Necrosis, necrotic (ischemic) — see also Gangrene
    • vertebra — see also Osteonecrosis, by type, vertebra
  • Paraplegia (lower) G82.20
  • Rust's disease (tuberculous cervical spondylitis) A18.01
  • Scoliosis (acquired) (postural) M41.9
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative
Alongside this code 3 same parent — A18.0
A18.02 Tuberculous arthritis of other joints A18.03 Tuberculosis of other bones 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.

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This code

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

Present FY2024–FY2027.