P81.8 ICD-10-CA code: Other specified disturbances of temperature regulation of newborn
P81.8 is the ICD-10-CA code for “Other specified disturbances of temperature regulation of newborn” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
P81.8Other specified disturbances of temperature regulation of newborn
Short description: Oth spec disturb newborn temp regulatn
ICD-10-CA · Canada · Also written P818
Index terms
Entries in CIHI’s alphabetical index that lead to P81.8. Searching the index by the condition the note names is how coders reach this code.
- Disturbance, temperature, regulation, newborn, specified NEC
- Disorder (of), temperature regulation, fetus or newborn, specified NEC
- Condition, conditions (arising in the perinatal period), disturbance, temperature regulation, newborn, specified NEC
- Condition, conditions (arising in the perinatal period), disorder (of), temperature regulation, fetus or newborn, specified NEC
Notes for P81.8
As CIHI prints them, with any note P81.8 takes from the headings above it.
Includes
- Conditions that have their origin in the perinatal period even though death or morbidity occurs laterFrom Chapter 16: Certain conditions originating in the perinatal period (P00-P96)
Excludes
Conditions classified elsewhere.
- Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)tetanus neonatorum (A33)whooping cough (A37.-)From Chapter 16: Certain conditions originating in the perinatal period (P00-P96)
Where P81.8 sits
- 1ChapterChapter 16: Certain conditions originating in the perinatal period (P00-P96)
- 2Block P80-P83Conditions involving the integument and temperature regulation of fetus and newborn
- 3Category P81Other disturbances of temperature regulation of newborn
- 4Valid code P81.8Other specified disturbances of temperature regulation of newborn
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does ICD-10-CA code P81.8 mean?
P81.8 is the ICD-10-CA code for “Other specified disturbances of temperature regulation of newborn” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is P81.8 in ICD-10-CA?
P81.8 sits under P81 Other disturbances of temperature regulation of newborn, within P80-P83 Conditions involving the integument and temperature regulation of fetus and newborn, within Chapter 16: Certain conditions originating in the perinatal period (P00-P96).
What coding notes apply to P81.8?
ICD-10-CA lists Includes, Excludes notes for P81.8, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.