2026 ICD-10-CM Diagnosis Code P24.9Neonatal aspiration, unspecified

ICD-10-CM Codes›P00–P96›P19-P29›P24

ICD-10-CM P24.9
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

P24.9 is a billable ICD-10-CM diagnosis code for neonatal aspiration, unspecified. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 791, 793. Coders also document this condition as aspiration into respiratory tract. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Respiratory perinatal condition.

Code Identity

ICD-10-CM Code
P24.9
Billable Status
Yes — Valid for Submission
Code Describes
Neonatal aspiration, unspecified
Short Description
Neonatal aspiration, unspecified
Same as the full description in the CMS dataset.
Parent Code
P24
Neonatal aspiration

Code Classification

ChapterP00–P96Certain conditions originating in the perinatal period
SectionP19-P29Respiratory and cardiovascular disorders specific to the perinatal period
CategoryP24Neonatal aspiration
This CodeP24.9Neonatal aspiration, unspecified

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Aspiration into respiratory tract
  • Neonatal aspiration syndrome

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 PNL006
Respiratory perinatal condition
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Neonatal Aspiration Syndrome

    aspiration of meconium, blood, amniotic fluid or gastric contents around the time of delivery resulting in clinical symptoms from airway obstruction, parenchymal injury, and ventilation-perfusion mismatch. this may lead to persistent pulmonary hypertension in the newborn.

Patient EducationClinical

Lung Diseases

When you breathe, your lungs take in oxygen from the air and deliver it to the bloodstream. The cells in your body need oxygen to work and grow. During a normal day, you breathe nearly 25,000 times. People with lung disease have difficulty breathing. Millions of people in the U.S. have lung disease.

Read the full article at MedlinePlus

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

Convert P24.9 to ICD-9-CMHistory

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

ICD-9-CM
770.10 Fetal & newborn asp NOS
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 P24.9Overview

What is the ICD-10 code for neonatal aspiration, unspecified?

The ICD-10-CM code for neonatal aspiration, unspecified is P24.9 (sometimes written as P249). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is P24.9 (Neonatal aspiration) a billable code?

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

What MS-DRG does P24.9 group to?

When neonatal aspiration, unspecified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 791, 793, with relative weights from 4.0590 to 4.1696 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of P24.9?

Under the General Equivalence Mappings, neonatal aspiration, unspecified converts to ICD-9-CM 770.10 (fetal & newborn asp NOS). The mapping is approximate, so confirm the match fits the documentation.