2026 ICD-10-CM Diagnosis Code P00.9Newborn affected by unspecified maternal condition

ICD-10-CM Codes›P00–P96›P00-P04›P00

ICD-10-CM P00.9
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

P00.9 is a billable ICD-10-CM diagnosis code for newborn affected by unspecified maternal condition. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 795. The code is exempt from POA reporting. Coders also document this condition as early neonatal disorder due to maternal disorder during pregnancy. 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
P00.9
Billable Status
Yes — Valid for Submission
Code Describes
Newborn affected by unspecified maternal condition
Short Description
Newborn affected by unspecified maternal condition
Same as the full description in the CMS dataset.
Parent Code
P00
Newborn affected by maternal conditions that may be unrelated to present 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
CategoryP00Newborn affected by maternal conditions that may be unrelated to present pregnancy
This CodeP00.9Newborn affected by unspecified maternal condition

Present on Admission (POA)Billing

P00.9 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review the other POA exempt codes in Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery (P00-P04).

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Early neonatal disorder due to maternal disorder during pregnancy
  • Neonatal disorder due to disease in mother

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 P00.9 to ICD-9-CMHistory

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

ICD-9-CM
760.9 Maternal cond NOS aff NB
Approximate The match is approximate rather than exact.

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 P00.9Overview

What is the ICD-10 code for newborn affected by unspecified maternal condition?

The ICD-10-CM code for newborn affected by unspecified maternal condition is P00.9 (sometimes written as P009). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is P00.9 a billable code?

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

What MS-DRG does P00.9 group to?

When newborn affected by unspecified maternal condition is the principal diagnosis on an inpatient stay, it groups to MS-DRG 795 (normal Newborn), which carries a relative weight of 0.1998. Higher weights mean higher Medicare reimbursement.

Is P00.9 exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for newborn affected by unspecified maternal condition on inpatient claims. The code appears in the Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery (P00-P04) range of the CMS exempt list.

What is the ICD-9 equivalent of P00.9?

Under the General Equivalence Mappings, newborn affected by unspecified maternal condition converts to ICD-9-CM 760.9 (maternal cond NOS aff NB). The mapping is approximate, so confirm the match fits the documentation.