L30.4
Erythema intertrigo
BillableComplete code, valid to report
Care settingsHome Health Primary · MMTA - Other
L30.4 (also written L304) is a billable ICD-10-CM diagnosis code for erythema intertrigo. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 8 codes in category L30 (Other and unspecified dermatitis). The Alphabetic Index lists it under 6 entries. Its coding notes include 22 Excludes2 entries.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Inherited from L30 Other and unspecified dermatitis
Also from chapter/block level (18 notes)
Inherited from L20–L30 Dermatitis and eczema
Inherited from Chapter 12 Diseases of the skin and subcutaneous tissue
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- lipomelanotic reticulosis (I89.8)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- viral warts (B07.-)
Care settings
How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.
Home Health Primary
Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Other clinical group.
Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026Notes
Also from chapter/block level (1 note)
Inherited from L20–L30 Dermatitis and eczema
- In this block the terms dermatitis and eczema are used synonymously and interchangeably.
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 6 entries