eMedCodes logo

A18.4 - Tuberculosis of skin and subcutaneous tissue


The ICD 10 Code for Tuberculosis of skin and subcutaneous tissue is listed as A18.4.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: A18.4
Description: Tuberculosis of skin and subcutaneous tissue
  • Erythema induratum, tuberculous
  • Lupus excedens
  • Lupus vulgaris NOS
  • Lupus vulgaris of eyelid
  • Scrofuloderma
  • Tuberculosis of external ear
  • Excludes2: lupus erythematosus (L93.-)
  • lupus NOS (M32.9)
  • systemic (M32.-)
Diagnostic Related Groups
(MS-DRG v30.0)
606 - Minor Skin Disorders W Mcc
607 - Minor Skin Disorders W/o Mcc
974 - Hiv W Major Related Condition W Mcc
975 - Hiv W Major Related Condition W Cc
976 - Hiv W Major Related Condition W/o Cc/mcc
Chapter Certain infectious and parasitic diseases (A00-B99)
Block Tuberculosis (A15-A19)
Parent A18 - Tuberculosis of other organs
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 017.00 - Tuberculosis of skin and subcutaneous cellular tissue, unspecified (approximate)
ICD 9 Dx Code: 017.10 - Erythema nodosum with hypersensitivity reaction in tuberculosis, unspecified (approximate)
ICD-10-CM Siblings (same level / similar specificity) of A18.4:
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
A18.5 - Tuberculosis of eye
A18.6 - Tuberculosis of (inner) (middle) ear
A18.7 - Tuberculosis of adrenal glands
A18.8 - Tuberculosis of other specified organs