2027 ICD-10-CM Diagnosis Code P00.0Newborn affected by maternal hypertensive disorders

ICD-10-CM Codes›P00–P96›P00-P04›P00

ICD-10-CM P00.0
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

P00.0 is a billable ICD-10-CM diagnosis code for newborn affected by maternal hypertensive disorders. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 794. The code is exempt from POA reporting. Coders also document this condition as neonatal disorder due to maternal hypertension. 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
P00.0
Billable Status
Yes — Valid for Submission
Code Describes
Newborn affected by maternal hypertensive disorders
Short Description
Newborn affected by maternal hypertensive disorders
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 CodeP00.0Newborn affected by maternal hypertensive disorders

Present on Admission (POA)Billing

P00.0 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.

  • Neonatal disorder due to maternal hypertension

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to P00.0: its own notes plus those printed at P00, 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 maternal conditions classifiable to O10-O11, O13-O16

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 P00 Newborn affected by maternal conditions that may be unrelated to present pregnancy applies to 12 codes
  • encounter for observation of newborn for suspected diseases and conditions ruled out (Z05.-)
  • newborn affected by maternal complications of pregnancy (P01.-)
  • newborn affected by maternal endocrine and metabolic disorders (P70-P74)
  • newborn affected by noxious substances transmitted via placenta or breast milk (P04.-)
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 P00 Newborn affected by maternal conditions that may be unrelated to present pregnancy applies to 12 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 P00.0, its category, or a range that includes it.

Applicable To 1

These notes mention P00.0.

  • P00.3 Newborn affected by other maternal circulatory and respiratory diseases
    Newborn affected by maternal conditions classifiable to I00-I99, J00-J99, Q20-Q34 and not included in P00.0, P00.2

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

High Blood Pressure in Pregnancy

Blood pressure is the force of your blood pushing against the walls of your arteries. Your arteries are blood vessels that carry blood from your heart to other parts of your body. High blood pressure, or hypertension, is blood pressure that is higher than normal.

The full article covers:

  • What is high blood pressure in pregnancy?
  • What are the types of high blood pressure in pregnancy?
  • Who is more likely to develop high blood pressure in pregnancy?
  • What are the symptoms of high blood pressure in pregnancy?
  • What problems can high blood pressure in pregnancy cause?
  • How is high blood pressure in pregnancy diagnosed?
  • What are the treatments for high blood pressure in pregnancy?

Read the full article at MedlinePlus

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

Convert P00.0 to ICD-9-CMHistory

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

ICD-9-CM
760.0 Matern hyperten aff NB
Exact Match The mapping is direct, with no qualifiers.

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 P00.0Overview

What is the ICD-10 code for newborn affected by maternal hypertensive disorders?

The ICD-10-CM code for newborn affected by maternal hypertensive disorders is P00.0 (sometimes written as P000). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is P00.0 a billable code?

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

What MS-DRG does P00.0 group to?

When newborn affected by maternal hypertensive disorders 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.

Is P00.0 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 maternal hypertensive disorders 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 coded first with P00.0?

The Code First note at P00, which applies to P00.0, reads: any current condition in newborn. When one of these applies, it is sequenced before P00.0.