ICD-10-CM 2027 diagnosis code
P03.811Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm during labor
P03.811 is a valid, billable ICD-10-CM code for newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm during labor. It can be reported on claims for dates of service from October 1, 2026 – September 30, 2027.Short description: NB aff by abnlt in fetal heart rate or rhythm during labor
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 P03.811
P03.811 is the ICD-10-CM diagnosis code for newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm during labor. 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 billable, so it can be reported on its own for dates of service from October 1, 2026 through September 30, 2027.
Within P03.81 (newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm), P03.811 is specifically for newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm during labor. Related codes cover before the onset of labor (P03.810) and unspecified as to time of onset (P03.819).
Code first: any current condition in newborn.
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 794 (Neonate with Other Significant Problems, relative weight 1.4935), in MDC 15 (Newborns and Other Neonates with Conditions Originating in the Perinatal Period), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
It has been part of ICD-10-CM since the code set took effect on October 1, 2015, and changed in FY2017 (title revised).
Before ICD-10, this condition was coded in ICD-9-CM as 763.82 (abnormality in fetal heart rate or rhythm during labor).
Notes that apply from higher levels
Instructions written at a parent level also apply to P03.811.
› From P03.81 Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm
- neonatal cardiac dysrhythmia (P29.1-)
› From P03 Newborn affected by other complications of labor and delivery
- encounter for observation of newborn for suspected diseases and conditions ruled out (Z05.-)
- 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.
Alphabetic index entries
3 entriesTerms in the official ICD-10-CM index that lead to P03.811.
- Arrhythmia (auricle)(cardiac)(juvenile)(nodal)(reflex)(supraventricular)(transitory)(ventricle) › newborn › occurring before birth › during labor
- Dysrhythmia › cardiac › newborn › occurring before birth › during labor
- Newborn (infant) (liveborn) (singleton) › affected by › heart rate abnormalities › intrauterine › during labor
MS-DRG v44.0 grouping
All DRGs →Inpatient MS-DRGs this diagnosis can group to, as the principal or a secondary diagnosis, depending on the rest of the claim.
MDC 15 · Newborns and Other Neonates with Conditions Originating in the Perinatal Period
ICD-9-CM equivalent
Converter →- 763.82Abnormality in fetal heart rate or rhythm during laborexact
From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 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 during labor”
Common questions about P03.811
Is P03.811 billable?
- Yes. P03.811 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can P03.811 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict P03.811 as a principal diagnosis.
Is P03.811 a CC or MCC?
- No. P03.811 is neither a CC nor an MCC under MS-DRG v44.0.
What DRG does P03.811 group to?
- P03.811 is used in the MS-DRG v44.0 logic for MS-DRG 794 (Neonate with Other Significant Problems). Which one applies depends on whether it is the principal diagnosis and on the rest of the claim.
What is the ICD-9 code for P03.811?
- The CMS General Equivalence Mappings map P03.811 to ICD-9-CM 763.82.