Skip to content
Dx

ICD-10-CM 2027 diagnosis code

P03.81Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm

Not billable — use a more specific code

P03.81 is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it.Short description: Newborn affected by abnlt in fetal heart rate or rhythm

Code last changed in FY2017 (effective October 1, 2016). Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About P03.81

P03.81 is the ICD-10-CM diagnosis code for newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm. It belongs to category P03 (newborn affected by other complications of labor and delivery), block P00-P04 (newborn affected by maternal factors and by complications of pregnancy, labor, and delivery) and chapter 16 (certain conditions originating in the perinatal period). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.

Within P03.8 (newborn affected by other specified complications of labor and delivery), P03.81 is specifically for newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm. Related codes cover meconium passage during delivery (P03.82) and newborn affected by other specified complications of labor and delivery (P03.89).

To report this condition, pick the subcode that matches the documentation: P03.810 (before the onset of labor), P03.811 (during labor) and P03.819 (unspecified as to time of onset).

Don't report P03.81 together with the conditions in its Excludes1 note: neonatal cardiac dysrhythmia (P29.1-).

Code first: any current condition in newborn.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015, and changed in FY2017 (title revised).

Specific codes under P03.81

Coding notes

Excludes1Not coded here — never report together with this code
  • neonatal cardiac dysrhythmia (P29.1-)

Notes that apply from higher levels

Instructions written at a parent level also apply to P03.81.

› From P03 Newborn affected by other complications of labor and delivery
Excludes2
  • encounter for observation of newborn for suspected diseases and conditions ruled out (Z05.-)
Code first
  • any current condition in newborn

Broader instructions also apply from P00-P04 Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery and Chapter 16: Certain conditions originating in the perinatal period.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • FY2017 (effective 10/1/2016): Title revised — was “Newborn (suspected to be) affected by abnormality in fetal (intrauterine) heart rate or rhythm”

Common questions about P03.81

Is P03.81 billable?

No. P03.81 is a header code. Report one of its more specific subcodes instead.