P81: Other disturbances of temperature regulation of newborn
Codes under P81 (Other disturbances of temperature regulation of newborn). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| P81.0 | Environmental hyperthermia of newborn | ✓ |
| P81.0 | Environmental hyperthermia of newborn | ✓ |
| P81.8 | Other specified disturbances of temperature regulation of newborn | ✓ |
| P81.8 | Other specified disturbances of temperature regulation of newborn | ✓ |
| P81.9 | Disturbance of temperature regulation of newborn, unspecified | ✓ |
| P81.9 | Disturbance of temperature regulation of newborn, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code P81?
P81 is an ICD-10-CM category covering Other disturbances of temperature regulation of newborn. It contains 6 more specific diagnosis codes, 6 of which are billable.
Is P81 a billable code?
No — P81 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 P81.0 — Environmental hyperthermia of newborn). 6 of the 6 codes under P81 are billable.
What codes fall under P81?
P81 includes P81.0, P81.0, P81.8, P81.8, P81.9, plus 1 more. See the full list with descriptions and billable status above.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
Code the diagnosis right
Join providers across the country delivering modern virtual care with CareNiva. Free to start, ready in minutes.
100% Satisfaction Guaranteed — try it risk-free