2026 ICD-10-CM Diagnosis Code P12.9Birth injury to scalp, unspecified

ICD-10-CM Codes›P00–P96›P10-P15›P12

ICD-10-CM P12.9
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

P12.9 is a billable ICD-10-CM diagnosis code for birth injury to scalp, unspecified. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 795. Coders also document this condition as birth injury to scalp. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Birth trauma.

Code Identity

ICD-10-CM Code
P12.9
Billable Status
Yes — Valid for Submission
Code Describes
Birth injury to scalp, unspecified
Short Description
Birth injury to scalp, unspecified
Same as the full description in the CMS dataset.
Parent Code
P12
Birth injury to scalp

Code Classification

ChapterP00–P96Certain conditions originating in the perinatal period
SectionP10-P15Birth trauma
CategoryP12Birth injury to scalp
This CodeP12.9Birth injury to scalp, unspecified

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Birth injury to scalp
  • Ischemic alopecia due to birth injury
  • Neonatal scalp injury
  • Neonatal traumatic disorder

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 PNL008
Birth trauma
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Childbirth Problems

Childbirth is the process of giving birth to a baby. It includes labor and delivery. Usually everything goes well, but problems can happen. They may cause a risk to the mother, baby, or both. Some of the more common childbirth problems include:

Read the full article at MedlinePlus

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

Convert P12.9 to ICD-9-CMHistory

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

ICD-9-CM
767.19 Injuries to scalp NEC
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 P12.9Overview

What is the ICD-10 code for birth injury to scalp, unspecified?

The ICD-10-CM code for birth injury to scalp, unspecified is P12.9 (sometimes written as P129). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is P12.9 (Birth injury to scalp) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report birth injury to scalp, unspecified on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does P12.9 group to?

When birth injury to scalp, unspecified 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.

What is the ICD-9 equivalent of P12.9?

Under the General Equivalence Mappings, birth injury to scalp, unspecified converts to ICD-9-CM 767.19 (injuries to scalp NEC). The mapping is approximate, so confirm the match fits the documentation.