L74.51 — Primary focal hyperhidrosis
Is L74.51 billable?
No — L74.51 is a non-billable header code. L74.51 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 5 billable codes beneath L74.51.
L74.51 at a glance
| Code | L74.51 |
|---|---|
| Description | Primary focal hyperhidrosis |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together — inherited from L60-L75
The conditions below can never be reported together with L74.51 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- congenital malformations of integument (Q84.-)
Excludes2 — not included here — inherited from Chapter 12
The conditions below are not part of L74.51, but a patient may have both at the same time. When documentation supports it, L74.51 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.-)
Excludes2 — not included here — inherited from L74
The conditions below are not part of L74.51, but a patient may have both at the same time. When documentation supports it, L74.51 and the excluded code may both be reported.
- generalized hyperhidrosis (R61)
What codes fall under L74.51? (5)
How long has L74.51 existed?
L74.51 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.