A18.2
Tuberculous peripheral lymphadenopathy
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 15 never code together
A18.2code
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 5
Index entries leading here 9
- Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
- scrofulous (tuberculous) A18.2
- Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) A15.9
- abscess (respiratory) A15.9
- scrofulous A18.2
- axilla, axillary (gland) A18.2
- lymph gland or node (peripheral) A18.2
- cervical A18.2
- cervical (lymph gland or node) A18.2
- glandular, general A18.2
- infraclavicular gland A18.2
- inguinal gland A18.2
- inguinalis A18.2
- neck gland A18.2
- scrofulous A18.2
- supraclavicular gland A18.2
- abscess (respiratory) A15.9
- Adenitis — see also Lymphadenitis
- Bubo I88.8
- scrofulous (tuberculous) A18.2
- Caseation lymphatic gland (tuberculous) A18.2
- Disease, diseased — see also Syndrome
- scrofulous (tuberculous) A18.2
- Lymphangitis I89.1
- strumous, tuberculous A18.2
- Scrofula, scrofulosis (tuberculosis of cervical lymph glands) A18.2
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative
Alongside this code 8 same parent — A18
A18.0 Tuberculosis of bones and joints category A18.1 Tuberculosis of genitourinary system category A18.3 Tuberculosis of intestines, peritoneum and mesenteric glands category A18.4 Tuberculosis of skin and subcutaneous tissue A18.5 Tuberculosis of eye category A18.6 Tuberculosis of (inner) (middle) ear A18.7 Tuberculosis of adrenal glands A18.8 Tuberculosis of other specified organs category
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.