2027 ICD-10-CM Diagnosis Code P28.9Respiratory condition of newborn, unspecified

ICD-10-CM Codes›P00–P96›P19-P29›P28

ICD-10-CM P28.9
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

P28.9 is a billable ICD-10-CM diagnosis code for respiratory condition of newborn, unspecified. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 794. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Respiratory perinatal condition.

Code Identity

ICD-10-CM Code
P28.9
Billable Status
Yes — Valid for Submission
Code Describes
Respiratory condition of newborn, unspecified
Short Description
Respiratory condition of newborn, unspecified
Same as the full description in the CMS dataset.
Parent Code
P28
Other respiratory conditions originating in the perinatal period

Code Classification

ChapterP00–P96Certain conditions originating in the perinatal period
SectionP19-P29Respiratory and cardiovascular disorders specific to the perinatal period
CategoryP28Other respiratory conditions originating in the perinatal period
This CodeP28.9Respiratory condition of newborn, unspecified

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Disorder of lower respiratory system
  • Disorder of respiratory system
  • Fetal and/or neonatal respiratory disorder
  • Finding of state at birth
  • Infant slow to establish respiration
  • Neonatal condition - finding
  • Neonatal hypoventilation
  • Neonatal respiratory system disorder
  • Respiratory complication
  • Respiratory disease treatment started
  • Respiratory treatment changed
  • Spontaneous pneumothorax
  • Spontaneous pneumothorax due to respiratory disease

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to P28.9: its own notes plus those printed at P28 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

Applicable To

Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.

  • Respiratory depression in newborn

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 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 Also

A second code may be needed to fully describe the condition; the note gives no sequencing direction.

From P28 Other respiratory conditions originating in the perinatal period applies to 19 codes
  • if applicable, congenital malformations of the respiratory system (Q30-Q34)

Notes

General instructions on how these codes are used.

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.

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

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 P28.9 to ICD-9-CMHistory

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

ICD-9-CM
770.9 NB respiratory cond 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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About P28.9Overview

What is the ICD-10 code for respiratory condition of newborn, unspecified?

The ICD-10-CM code for respiratory condition of newborn, unspecified is P28.9 (sometimes written as P289). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is P28.9 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report respiratory condition of newborn, unspecified on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does P28.9 group to?

When respiratory condition of newborn, unspecified 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 1.4934. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of P28.9?

Under the General Equivalence Mappings, respiratory condition of newborn, unspecified converts to ICD-9-CM 770.9 (NB respiratory cond NOS). The mapping is approximate, so confirm the match fits the documentation.