L74: Eccrine sweat disorders
Codes under L74 (Eccrine sweat disorders). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| L74.0 | Miliaria rubra | ✓ |
| L74.0 | Miliaria rubra | ✓ |
| L74.1 | Miliaria crystallina | ✓ |
| L74.1 | Miliaria crystallina | ✓ |
| L74.2 | Miliaria profunda | ✓ |
| L74.2 | Miliaria profunda | ✓ |
| L74.3 | Miliaria, unspecified | ✓ |
| L74.3 | Miliaria, unspecified | ✓ |
| L74.4 | Anhidrosis | ✓ |
| L74.4 | Anhidrosis | ✓ |
| L74.5 | Focal hyperhidrosis | — |
| L74.5 | Focal hyperhidrosis | — |
| L74.8 | Other eccrine sweat disorders | ✓ |
| L74.8 | Other eccrine sweat disorders | ✓ |
| L74.9 | Eccrine sweat disorder, unspecified | ✓ |
| L74.9 | Eccrine sweat disorder, unspecified | ✓ |
| L74.51 | Primary focal hyperhidrosis | — |
| L74.51 | Primary focal hyperhidrosis | — |
| L74.52 | Secondary focal hyperhidrosis | ✓ |
| L74.52 | Secondary focal hyperhidrosis | ✓ |
| L74.510 | Primary focal hyperhidrosis, axilla | ✓ |
| L74.510 | Primary focal hyperhidrosis, axilla | ✓ |
| L74.511 | Primary focal hyperhidrosis, face | ✓ |
| L74.511 | Primary focal hyperhidrosis, face | ✓ |
| L74.512 | Primary focal hyperhidrosis, palms | ✓ |
| L74.512 | Primary focal hyperhidrosis, palms | ✓ |
| L74.513 | Primary focal hyperhidrosis, soles | ✓ |
| L74.513 | Primary focal hyperhidrosis, soles | ✓ |
| L74.519 | Primary focal hyperhidrosis, unspecified | ✓ |
| L74.519 | Primary focal hyperhidrosis, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code L74?
L74 is an ICD-10-CM category covering Eccrine sweat disorders. It contains 30 more specific diagnosis codes, 26 of which are billable.
Is L74 a billable code?
No — L74 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example L74.0 — Miliaria rubra). 26 of the 30 codes under L74 are billable.
What codes fall under L74?
L74 includes L74.0, L74.0, L74.1, L74.1, L74.2, plus 25 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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