Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) A15.9

abdomen (lymph gland) A18.39

lymph gland or node (peripheral) A18.2

abdomen A18.39

mesenteric A18.39

retroperitoneal A18.39

mesentery, mesenteric (gland or node) A18.39

retroperitoneal (lymph gland or node) A18.39

Sibling Codes

A18.31

Tuberculous peritonitis

A18.32

Tuberculous enteritis

Parent Sibling Codes

A18.0

Tuberculosis of bones and joints

A18.1

Tuberculosis of genitourinary system

A18.2

Tuberculous peripheral lymphadenopathy

A18.3

Tuberculosis of intestines, peritoneum and mesenteric glands

A18.4

Tuberculosis of skin and subcutaneous tissue

A18.5

Tuberculosis of eye

A18.6

Tuberculosis of (inner) (middle) ear

A18.7

Tuberculosis of adrenal glands

A18.8

Tuberculosis of other specified organs

View in Tabular

Code	Title
A00-B99	Certain infectious and parasitic diseases (A00-B99)
A15-A19	Tuberculosis (A15-A19)
A18	Tuberculosis of other organs
A18.3	Tuberculosis of intestines, peritoneum and mesenteric glands
A18.39	Retroperitoneal tuberculosis Applicable to Tuberculosis of mesenteric glands Tuberculosis of retroperitoneal (lymph glands)

A18.39 – Retroperitoneal tuberculosis

Coding Notes

Applicable To

GEM Conversion to ICD-9 CM

MDC / MS-DRG Reference

Back Reference of Diagnostic Codes

Sibling Codes

Parent Sibling Codes

View in Tabular

Applicable to