RxDB
ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

A18.4 – Tuberculosis of skin and subcutaneous tissue

Overview

Coding Notes

Active
Billable, valid for HIPAA-covered transactions

Tyoe 2 Excludes

lupus erythematosus (L93.-)
systemic lupus erythematosus (M32.-)

Applicable To

Erythema induratum, tuberculous
Lupus excedens
Lupus vulgaris NOS
Lupus vulgaris of eyelid
Scrofuloderma
Tuberculosis of external ear

GEM Conversion to ICD-9 CM

Fs: 10000 – Tuberculosis of skin and subcutaneous cellular tissue, unspecified
Fs: 10000 – Erythema nodosum with hypersensitivity reaction in tuberculosis, unspecified

MDC / MS-DRG Reference

MINOR SKIN DISORDERS WITH MCC
MINOR SKIN DISORDERS WITHOUT MCC
HIV WITH MAJOR RELATED CONDITION WITH MCC
HIV WITH MAJOR RELATED CONDITION WITH CC
HIV WITH MAJOR RELATED CONDITION WITHOUT CC/MCC

Back Reference of Diagnostic Codes

Acnitis (primary) A18.4
Bazin's disease (primary) (tuberculous) A18.4
Cellulitis (diffuse) (phlegmonous) (septic) (suppurative) L03.90
tuberculous (primary) A18.4
Erythema, erythematous (infectional) (inflammation) L53.9
induratum (nontuberculous) L52
tuberculous A18.4
nodosum L52
tuberculous A18.4
tuberculous (primary) A18.4
Gumma (syphilitic) A52.79
scrofulous (tuberculous) A18.4
tuberculous A18.4
Lichen L28.0
scrofulosus (primary) (tuberculous) A18.4
Lichenoides tuberculosis (primary) A18.4
Lupus
exedens A18.4
tuberculous A18.4
eyelid A18.4
vulgaris A18.4
eyelid A18.4
Paronychia See also Cellulitis, digit
tuberculous (primary) A18.4
Scrofulide (primary) (tuberculous) A18.4
Scrofuloderma, scrofulodermia (any site) (primary) A18.4
Scrofulosus lichen (primary) (tuberculous) A18.4
Tarsitis (eyelid) H01.8
tuberculous A18.4
Tuberculid, tuberculide (indurating, subcutaneous) (lichenoid) (miliary) (papulonecrotic) (primary) (skin) A18.4
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
skin (primary) A18.4
cellulitis (primary) A18.4
colliquativa (primary) A18.4
cutis (colliquativa) (primary) A18.4
ear (inner) (middle) A18.6
external (primary) A18.4
skin (primary) A18.4
erythema (induratum) (nodosum) (primary) A18.4
eyelid (primary) (lupus) A18.4
indurativa (primary) A18.4
lichenoides (primary) A18.4
lupus vulgaris A18.4
papulonecrotic (a) (primary) A18.4
paronychia (primary) A18.4
skin (any site) (primary) A18.4
subcutaneous tissue (cellular) (primary) A18.4
subcutis (primary) A18.4
tarsitis A18.4
ulcer (skin) (primary) A18.4
verruca, verrucosa (cutis) (primary) A18.4
Ulcer, ulcerated, ulcerating, ulceration, ulcerative
skin (atrophic) (chronic) (neurogenic) (non-healing) (perforating) (pyogenic) (trophic) (tropical) L98.499
tuberculous (primary) A18.4
Ulcus See also Ulcer
cutis tuberculosum A18.4
Verruca (due to HPV) (filiformis) (simplex) (viral) (vulgaris) B07.9
necrogenica (primary) (tuberculosa) A18.4
tuberculosa (primary) A18.4
Wart (due to HPV) (filiform) (infectious) (viral) B07.9
prosector (tuberculous) A18.4
tuberculous A18.4

Sibling Codes

Tuberculosis of bones and joints
Tuberculosis of genitourinary system
Tuberculous peripheral lymphadenopathy
Tuberculosis of intestines, peritoneum and mesenteric glands
Tuberculosis of eye
Tuberculosis of (inner) (middle) ear
Tuberculosis of adrenal glands
Tuberculosis of other specified organs

Parent Sibling Codes

Respiratory tuberculosis
Tuberculosis of nervous system
Tuberculosis of other organs
Miliary tuberculosis

View in Tabular

Code Title
A00-B99 Certain infectious and parasitic diseases (A00-B99)
A15-A19 Tuberculosis (A15-A19)
A18 Tuberculosis of other organs
A18.4 Tuberculosis of skin and subcutaneous tissue
Type 2 Excludes
lupus erythematosus (L93.-)
systemic lupus erythematosus (M32.-)

Applicable to
Erythema induratum, tuberculous
Lupus excedens
Lupus vulgaris NOS
Lupus vulgaris of eyelid
Scrofuloderma
Tuberculosis of external ear