L93.2
BillableOther local lupus erythematosus
HCC Category Mapping
RxHCCHCC 317 — Lupus, Cutaneous
0.000What This Code Means
Other forms of lupus that affect only the skin, including conditions like lupus tumidus or chilblain lupus, without systemic involvement.
Coding Tips
- •Use this code for cutaneous lupus variants not classified as discoid or subacute
- •Ensure systemic lupus erythematosus (SLE) has been ruled out before coding as localized lupus
Clinical Significance
Other local lupus erythematosus encompasses cutaneous lupus variants that do not fit the specific criteria for discoid or subacute cutaneous forms, including lupus erythematosus profundus (panniculitis), lupus tumidus, and chilblain lupus. These variants represent a spectrum of autoimmune skin disease with varying clinical presentations and potential for systemic involvement. Accurate coding ensures these uncommon lupus variants are tracked for rheumatologic follow-up and helps differentiate them from more common cutaneous lupus forms.
Documentation Requirements
- ✓Specific variant of cutaneous lupus documented (lupus profundus, tumidus, chilblain lupus, etc.)
- ✓Clinical description of lesion characteristics specific to the variant
- ✓Anatomical locations and distribution of lesions
- ✓Biopsy results if performed (panniculitis pattern for lupus profundus, dermal mucin for tumidus)
- ✓Serologic workup results (ANA, anti-dsDNA, complement levels)
- ✓Assessment for concurrent systemic lupus features
- ✓Treatment plan tailored to the specific variant
- ✓Photosensitivity assessment if applicable
Commonly Confused Codes
L93.0 — Discoid lupus erythematosus is a specific scarring form with distinct diagnostic criteriaL93.1 — Subacute cutaneous lupus erythematosus has characteristic non-scarring annular or papulosquamous lesionsM32.9 — Systemic lupus erythematosus is a multi-organ disease, not limited to skinM35.9 — Systemic connective tissue disorder, unspecified; lupus profundus is a specific entityL98.9 — Disorder of skin, unspecified should not be used when a lupus variant is diagnosed