2027 ICD-10-CM Diagnosis Code P03.4Newborn affected by Cesarean delivery

ICD-10-CM Codes›P00–P96›P00-P04›P03

ICD-10-CM P03.4
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

P03.4 is a billable ICD-10-CM diagnosis code for newborn affected by Cesarean delivery. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 791, 793. Coders also document this condition as perinatal disorder due to cesarean section. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Newborn affected by maternal conditions or complications of labor/delivery.

Code Identity

ICD-10-CM Code
P03.4
Billable Status
Yes — Valid for Submission
Code Describes
Newborn affected by Cesarean delivery
Short Description
Newborn affected by Cesarean delivery
Same as the full description in the CMS dataset.
Parent Code
P03
Newborn affected by other complications of labor and delivery

Code Classification

ChapterP00–P96Certain conditions originating in the perinatal period
SectionP00-P04Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery
CategoryP03Newborn affected by other complications of labor and delivery
This CodeP03.4Newborn affected by Cesarean delivery

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Perinatal disorder due to cesarean section
  • Perinatal disorder due to placental damage due to cesarean section

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to P03.4: its own notes plus those printed at P03, block P00-P04, and Chapter 16. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

From Chapter 16 (P00-P96) Certain conditions originating in the perinatal period applies to 463 codes
  • conditions that have their origin in the fetal or perinatal period (before birth through the first 28 days after birth) even if morbidity occurs later

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From P03 Newborn affected by other complications of labor and delivery applies to 13 codes
  • encounter for observation of newborn for suspected diseases and conditions ruled out (Z05.-)
From Chapter 16 (P00-P96) Certain conditions originating in the perinatal period applies to 463 codes
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • tetanus neonatorum (A33)

Code First

The underlying condition named in the note is sequenced before this code.

From P03 Newborn affected by other complications of labor and delivery applies to 13 codes
  • any current condition in newborn

Notes

General instructions on how these codes are used.

From Block P00-P04 Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery applies to 70 codes
  • These codes are for use when the listed maternal conditions are specified as the cause of confirmed morbidity or potential morbidity which have their origin in the perinatal period (before birth through the first 28 days after birth).
From Chapter 16 (P00-P96) Certain conditions originating in the perinatal period applies to 463 codes
  • Codes from this chapter are for use on newborn records only, never on maternal records

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name P03.4, its category, or a range that includes it.

Applicable To 1

These notes mention P03.4.

  • P03.89 Newborn affected by other specified complications of labor and delivery
    Newborn affected by conditions classifiable to O60-O75 and by procedures used in labor and delivery not included in P02.- and P03.0-P03.6 names P03.0-P03.6, which includes this code

Excludes1 2

These codes carry an Excludes1 note naming P03.4: they are not reported together with it, unless the two conditions are unrelated.

  • P00.6 Newborn affected by surgical procedure on mother
    Cesarean delivery for present delivery (P03.4)
  • P00.7 Newborn affected by other medical procedures on mother, not elsewhere classified
    newborn affected by other complications of labor and delivery (P03.-) names P03.-, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR PNL010
Newborn affected by maternal conditions or complications of labor/delivery
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Cesarean Delivery

A cesarean delivery, also called a cesarean section or c-section, is surgery to deliver a baby. The baby is taken out through your abdomen (belly). In the United States, almost one in three babies are born this way. Some cesarean deliveries are planned.

The full article covers:

  • What is a cesarean delivery?
  • When is a cesarean delivery needed?
  • How is a cesarean delivery done?
  • What are the risks of a cesarean delivery?

Read the full article at MedlinePlus

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

Convert P03.4 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
763.4 Cesarean delivery aff NB
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About P03.4Overview

What is the ICD-10 code for newborn affected by Cesarean delivery?

The ICD-10-CM code for newborn affected by Cesarean delivery is P03.4 (sometimes written as P034). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is P03.4 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report newborn affected by Cesarean delivery on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does P03.4 group to?

When newborn affected by Cesarean delivery is the principal diagnosis on an inpatient stay, it groups to MS-DRG 793, 791, with relative weights from 4.1073 to 4.2192 depending on complications. Higher weights mean higher Medicare reimbursement.

What is coded first with P03.4?

The Code First note at P03, which applies to P03.4, reads: any current condition in newborn. When one of these applies, it is sequenced before P03.4.

What is the ICD-9 equivalent of P03.4?

Under the General Equivalence Mappings, newborn affected by Cesarean delivery converts to ICD-9-CM 763.4 (cesarean delivery aff NB). The mapping is a direct match.