L84 — Corns and callosities
Is L84 billable?
Yes — L84 is billable for FY2027. L84 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. L84 may be submitted for encounters from October 1, 2026 through September 30, 2027.
L84 at a glance
| Code | L84 |
|---|---|
| Description | Corns and callosities |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does L84 group to?
L84 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.
- 606Minor Skin Disorders with MCCmedical
- 607Minor Skin Disorders without MCCmedical
How is L84 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to L84. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Callositas, callosity (infected)
- Callus (infected)
- Clavus (infected)
- Corn (infected)
- Heloma
- Tylosis (acquired)
Inclusion terms
Alternative wording in documentation that is classified to L84.
- Callus
- Clavus
Excludes2 — not included here — inherited from Chapter 12
The conditions below are not part of L84, but a patient may have both at the same time. When documentation supports it, L84 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 L84 existed?
L84 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.