2026 ICD-10-CM Diagnosis Code P01.3Newborn affected by polyhydramnios

ICD-10-CM Codes›P00–P96›P00-P04›P01

ICD-10-CM P01.3
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

P01.3 is a billable ICD-10-CM diagnosis code for newborn affected by polyhydramnios. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 794. Coders also document this condition as congenital hepatomegaly. 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
P01.3
Billable Status
Yes — Valid for Submission
Code Describes
Newborn affected by polyhydramnios
Short Description
Newborn affected by polyhydramnios
Same as the full description in the CMS dataset.
Parent Code
P01
Newborn affected by maternal complications of pregnancy

Code Classification

ChapterP00–P96Certain conditions originating in the perinatal period
SectionP00-P04Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery
CategoryP01Newborn affected by maternal complications of pregnancy
This CodeP01.3Newborn affected by polyhydramnios

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Congenital hepatomegaly
  • Congenital hyperplasia of muscle
  • Muscular hypertrophy, hepatomegaly, polyhydramnios syndrome
  • Polyhydramnios, megalencephaly, symptomatic epilepsy syndrome

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Newborn affected by hydramnios

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

Convert P01.3 to ICD-9-CMHistory

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

ICD-9-CM
761.3 Polyhydramnios 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 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About P01.3Overview

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

The ICD-10-CM code for newborn affected by polyhydramnios is P01.3 (sometimes written as P013). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is P01.3 (Newborn affected by maternal complications of pregnancy) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report newborn affected by polyhydramnios on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does P01.3 group to?

When newborn affected by polyhydramnios is the principal diagnosis on an inpatient stay, it groups to MS-DRG 794 (neonate with Other Significant Problems), which carries a relative weight of 1.4759. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of P01.3?

Under the General Equivalence Mappings, newborn affected by polyhydramnios converts to ICD-9-CM 761.3 (polyhydramnios aff NB). The mapping is a direct match.