2027 ICD-10-CM Diagnosis Code P02.78Newborn affected by other conditions from chorioamnionitis

ICD-10-CM Codes›P00–P96›P00-P04›P02

ICD-10-CM P02.78
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

P02.78 is a billable ICD-10-CM diagnosis code for newborn affected by other conditions from chorioamnionitis. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 794. Coders also document this condition as early neonatal disorder due to placentitis. 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
P02.78
Billable Status
Yes — Valid for Submission
Code Describes
Newborn affected by other conditions from chorioamnionitis
Short Description
Newborn affected by other conditions from chorioamnionitis
Same as the full description in the CMS dataset.
Parent Code
P02.7
Newborn affected by chorioamnionitis

Code Classification

ChapterP00–P96Certain conditions originating in the perinatal period
SectionP00-P04Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery
CategoryP02Newborn affected by complications of placenta, cord and membranes
This CodeP02.78Newborn affected by other conditions from chorioamnionitis

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Early neonatal disorder due to placentitis

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to P02.78: its own notes plus those printed at P02, block P00-P04, 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.

  • Newborn affected by amnionitis
  • Newborn affected by membranitis
  • Newborn affected by placentitis

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 P02 Newborn affected by complications of placenta, cord and membranes applies to 13 codes
  • encounter for observation of newborn for suspected diseases and conditions ruled out (Z05.-)
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 First

The underlying condition named in the note is sequenced before this code.

From P02 Newborn affected by complications of placenta, cord and membranes applies to 13 codes
  • any current condition in newborn

Notes

General instructions on how these codes are used.

From Block P00-P04 Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery applies to 70 codes
  • These codes are for use when the listed maternal conditions are specified as the cause of confirmed morbidity or potential morbidity which have their origin in the perinatal period (before birth through the first 28 days after birth).
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.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name P02.78, its category, or a range that includes it.

Applicable To 1

These notes mention P02.78.

  • P03.89 Newborn affected by other specified complications of labor and delivery
    Newborn affected by conditions classifiable to O60-O75 and by procedures used in labor and delivery not included in P02.- and P03.0-P03.6 names P02.-, which includes this code

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

Patient EducationClinical

Uncommon Infant and Newborn Problems

It can be scary when your baby is sick, especially when it is not an everyday problem like a cold or a fever. You may not know whether the problem is serious or how to treat it. If you have concerns about your baby's health, call your health care provider right away.

Read the full article at MedlinePlus

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

Code History & ChangesHistory

Replacement P02.78 replaces the following previously assigned code(s):

  • P02.7 - Newborn (suspected to be) affected by chorioamnionitis
  • P02.7 - Newborn affected by chorioamnionitis
FY 2019AddedAdded to the ICD-10-CM code setEffective October 1, 2018.
FY 2020–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About P02.78Overview

What is the ICD-10 code for newborn affected by other conditions from chorioamnionitis?

The ICD-10-CM code for newborn affected by other conditions from chorioamnionitis is P02.78 (sometimes written as P0278). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is P02.78 (Newborn affected by chorioamnionitis) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report newborn affected by other conditions from chorioamnionitis on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does P02.78 group to?

When newborn affected by other conditions from chorioamnionitis 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 coded first with P02.78?

The Code First note at P02, which applies to P02.78, reads: any current condition in newborn. When one of these applies, it is sequenced before P02.78.