A18.2 Tuberculous peripheral lymphadenopathy

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Tuberculous adenitis

Excludes2 (not included here)

• tuberculosis of bronchial and mediastinal lymph nodes (A15.4)
• tuberculosis of mesenteric and retroperitoneal lymph nodes (A18.39)
• tuberculous tracheobronchial adenopathy (A15.4)

MS-DRG index

Defines the logic of DRG(s) 814-816 in MDC 16.

Approximate ICD-9-CM (GEMs)

• 017.20 Tuberculosis of peripheral lymph nodes, unspecified (approximate)

Code annotations containing back-references to A18.2

Back-references to A18

• Type 2 Excludes: A31 Infection due to other mycobacteria ("tuberculosis (A15-A19)")

Diagnosis Index entries for A18.2

• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › scrofulous (tuberculous)
• Adenitis › scrofulous (tuberculous)
• Adenitis › strumous, tuberculous
• Bubo › scrofulous (tuberculous)
• Caseation lymphatic gland (tuberculous)
• Disease, diseased › scrofulous (tuberculous)
• Lymphangitis › strumous, tuberculous
• Scrofula, scrofulosis (tuberculosis of cervical lymph glands)
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › abscess (respiratory) › scrofulous
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › axilla, axillary (gland)
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › cervical (lymph gland or node)
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › glandular, general
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › infraclavicular gland
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › inguinal gland
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › inguinalis
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › lymph gland or node (peripheral)
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › lymph gland or node (peripheral) › cervical
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › neck gland
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › scrofulous
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › supraclavicular gland
• Ulcer, ulcerated, ulcerating, ulceration, ulcerative › scrofulous (tuberculous)
• Ulcer, ulcerated, ulcerating, ulceration, ulcerative › strumous (tuberculous)

Nearby codes

• A18.14 Tuberculosis of prostate
• A18.15 Tuberculosis of other male genital organs
• A18.16 Tuberculosis of cervix
• A18.17 Tuberculous female pelvic inflammatory disease
• A18.18 Tuberculosis of other female genital organs
• A18.2 Tuberculous peripheral lymphadenopathy (this code)
• A18.3 Tuberculosis of intestines, peritoneum and mesenteric glands
• A18.31 Tuberculous peritonitis
• A18.32 Tuberculous enteritis
• A18.39 Retroperitoneal tuberculosis
• A18.4 Tuberculosis of skin and subcutaneous tissue