2026 ICD-10-CM Diagnosis Code P81Other disturbances of temperature regulation of newborn

ICD-10-CM Codes›P00–P96›P80-P83›P81

ICD-10-CM P81
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

P81 is a non-billable ICD-10-CM category code for other disturbances of temperature regulation of newborn, so it cannot be submitted on claims. Use a more specific code from this category instead, such as P81.0, P81.8, and P81.9.

Code Identity

ICD-10-CM Code
P81
Billable Status
No — Non-Billable Category
Code Describes
Other disturbances of temperature regulation of newborn
Chapter
P80-P83
Conditions involving the integument and temperature regulation of newborn

Code Classification

ChapterP00–P96Certain conditions originating in the perinatal period
SectionP80-P83Conditions involving the integument and temperature regulation of newborn
CategoryP81Other disturbances of temperature regulation of newborn
This CodeP81Other disturbances of temperature regulation of newborn

Specific Coding for Other disturbances of temperature regulation of newbornOverview

Non-specific codes like P81 require more characters. Use one of these billable codes instead:

  • Use P81.0 for Environmental hyperthermia of newborn

  • Use P81.8 for Other specified disturbances of temperature regulation of newborn

  • Use P81.9 for Disturbance of temperature regulation of newborn, unspecified

Patient EducationClinical

Uncommon Infant and Newborn Problems

It can be scary when your baby is sick, especially when it is not an everyday problem like a cold or a fever. You may not know whether the problem is serious or how to treat it. If you have concerns about your baby's health, call your health care provider right away.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About P81Overview

Is P81 (Other disturbances of temperature regulation of newborn) a billable code?

No. This is a category header that groups the codes for other disturbances of temperature regulation of newborn, and headers cannot be submitted on claims. Claims for other disturbances of temperature regulation of newborn need a more specific code from this category, such as P81.0, P81.8, and P81.9.