L93.1 — Subacute cutaneous lupus erythematosus
Is L93.1 billable?
Yes — L93.1 is billable for FY2027. L93.1 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. L93.1 may be submitted for encounters from October 1, 2026 through September 30, 2027.
L93.1 at a glance
| Code | L93.1 |
|---|---|
| Description | Subacute cutaneous lupus erythematosus |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does L93.1 group to?
L93.1 sits in MDC 09 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 595Major Skin Disorders with MCCmedical
- 596Major Skin Disorders without MCCmedical
How is L93.1 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to L93.1. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Lupus › erythematosus › subacute cutaneous
Excludes1 — never code together — inherited from L93
The conditions below can never be reported together with L93.1 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Use additional code — inherited from L93
Report an additional code alongside L93.1 to fully describe the condition. L93.1 is sequenced first.
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Excludes2 — not included here — inherited from Chapter 12
The conditions below are not part of L93.1, but a patient may have both at the same time. When documentation supports it, L93.1 and the excluded code may both be reported.
- 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.-)
How long has L93.1 existed?
L93.1 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.