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P00 ICD-10-CM Code: Newborn affected by maternal conditions that may be unrelated to present pregnancy

Compare with another code for P00Check this code on a claim

Billing Status: NO. This is a non-billable ICD-10-CM code: report a more specific billable code beneath it.

Coding at a Glance

Official instructions
4 Excludes2 · 1 code-first instruction

What these terms mean →

Category · FY2027A non-billable heading in the tabular list: report a more specific code beneath it.

What you need to know

Source: CMS/NCHS Official ICD-10-CM tabular notes, quoted. From the CMS/NCHS tabular list for the release in force. A note the category or block publishes applies to this code too, and is marked with where it comes from.

Code firstSequence the underlying condition before this code
  • any current condition in newborn
Excludes2Not included here; may be reported together
  • 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.-)

Where it sits Source: CMS/NCHS

Under:Chapter 16: Certain Conditions Originating in the Perinatal PeriodP00-P04 Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery

Codes under P00 (10)

  • P00.0Newborn affected by maternal hypertensive disordersBillable
  • P00.1Newborn affected by maternal renal and urinary tract diseasesBillable
  • P00.2Newborn affected by maternal infectious and parasitic diseasesBillable
  • P00.3Newborn affected by other maternal circulatory and respiratory diseasesBillable
  • P00.4Newborn affected by maternal nutritional disordersBillable
  • P00.5Newborn affected by maternal injuryBillable
  • P00.6Newborn affected by surgical procedure on motherBillable
  • P00.7Newborn affected by other medical procedures on mother, not elsewhere classifiedBillable
  • P00.8Newborn affected by other maternal conditionsNot billable
  • P00.9Newborn affected by unspecified maternal conditionBillable

Most relevant related codes MedCoder-derived

Read off the official notes above and this code’s own position in the tabular list. Which to report is a documentation question; Compare shows the two side by side.

CompareCheck ClaimView Related Codes

Coding instructions

Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for P00 in the official ICD-10-CM tabular list, quoted as published.

Source: CMS/CDC — ICD-10-CM Tabular ListRelease: FY2027Effective: October 1, 2026

Trace:FY2027 changesChange historyRelease, file and checksum

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

Code First

Underlying conditions that must be sequenced before this code.

  • any current condition in newborn

Coder workflow for P00

MedCoder structured workflow — derived from this code’s own official record

Before you code P00

  1. P00 is not reportable as written. Select the more specific code beneath it that the documentation supports. Codes are reported to the highest level of specificity the classification provides (Guidelines I.B.2).

    ReviewP00.0, P00.1, P00.2, P00.3, P00.4, P00.5, P00.6, P00.7, P00.8, P00.9

    See the relationships section · Guide: How to choose an ICD-10-CM code →

Choose the right path

  1. Does the documentation support one of the more specific codes beneath P00?
    Yes → Select that code and continue the checks below on its own page.
    No → P00 cannot be reported as written. Where the codes beneath it include an unspecified code, that code applies when the record goes no further; otherwise query for the missing detail.

    ReviewP00.0, P00.1, P00.2, P00.3, P00.4, P00.5, P00.6, P00.7, P00.8, P00.9

  2. Is the underlying (etiologic) condition the Code First note names documented?
    Yes → Sequence the underlying condition first, then the code beneath P00.
    No → Continue; do not add an underlying condition the record does not document.

Report the code beneath P00 that the documentation supports, not P00 itself. Then confirm that code is valid for the date of service on its own page.

Documentation check

The provider’s diagnostic statement
Codes are assigned from the provider’s documented diagnosis, not from clinical criteria, test values or a medication list (Guidelines I.A.19).
The underlying (etiologic) condition
Named in the Code First note; sequenced before this code when documented (Guidelines I.A.13).

Official instructions as workflow

  • Excludes2 — not part of P00(4 notes)

    Coding workflow: The conditions named in this note are not included in P00. When the record documents both, both may be reported; the note is a boundary, not a prohibition.

    CompareZ05, P01, P04

    See the official tabular notes · Guidelines I.A.12.b

  • Code First — sequencing check(1 note)

    Coding workflow: Check whether the underlying or etiologic condition the note names is documented. When it is, sequence it before P00. Do not add an underlying condition the record does not document.

    See the official tabular notes · Guidelines I.A.13

Coding decision scenarios

Pattern scenarios for this code’s structure — decision rules, not clinical cases

Documentation: The underlying condition the Code First note names is documented alongside this condition.

Coding question: How are the two sequenced?

Path: Review the Code First note.

Reason: The underlying condition is sequenced first and the manifestation follows (Guidelines I.A.13).

Every row is derived from this code’s own record — its title, tabular notes, 7th-character family and same-category siblings — with fixed MedCoder wording; nothing is inferred about a patient. The official notes and guideline text are in the sections each row links to, and they control.

Don’t confuse P00 with…

MedCoder analysis — pairs from this code’s official notes, distinctions written by MedCoder

The codes most likely to be picked instead of P00 — named in its own official notes, or sharing its laterality or encounter family — with what separates them and which documentation moves the case. Each links to the full comparison.

  • Z05— Excludes2 relationship (Informational)

    Distinct conditions — both may be reported.

    A distinct condition — both may be reported when both are documented.

    What moves you there: Documentation of encounter for observation of newborn for suspected diseases and conditions ruled out adds Z05; it is not part of this code and both may be reported when both are documented.

    Full comparison: P00 vs Z05 →

  • P01— Excludes2 relationship (Informational)

    Distinct conditions — both may be reported.

    A distinct condition — both may be reported when both are documented.

    What moves you there: Documentation of newborn affected by maternal complications of pregnancy adds P01; it is not part of this code and both may be reported when both are documented.

    Full comparison: P00 vs P01 →

  • P70— Excludes2 relationship (Informational)

    Distinct conditions — both may be reported.

    A distinct condition — both may be reported when both are documented.

    What moves you there: Documentation of newborn affected by maternal endocrine and metabolic disorders adds P70; it is not part of this code and both may be reported when both are documented.

    Full comparison: P00 vs P70 →

  • P74— Excludes2 relationship (Informational)

    Distinct conditions — both may be reported.

    A distinct condition — both may be reported when both are documented.

    What moves you there: Documentation of newborn affected by maternal endocrine and metabolic disorders adds P74; it is not part of this code and both may be reported when both are documented.

    Full comparison: P00 vs P74 →

  • P04— Excludes2 relationship (Informational)

    Distinct conditions — both may be reported.

    A distinct condition — both may be reported when both are documented.

    What moves you there: Documentation of newborn affected by noxious substances transmitted via placenta or breast milk adds P04; it is not part of this code and both may be reported when both are documented.

    Full comparison: P00 vs P04 →

Relationships are read from this code's own official notes, its laterality siblings and its encounter family; the wording of each distinction is MedCoder editorial, and the documentation named in each “what moves you there” line is the official note phrase or sibling title itself. Source: CMS ICD-10-CM tabular instructional notes; ICD-10-CM Official Guidelines, Section I.A.12.a.

Coding context

Guidelines, coding notes, decision aids, relationships (with MS-DRG and CCSR classification), hierarchy, HCC, coverage and the context map: what a coder reaches for after the core. Each section names whether it is official source data, a MedCoder-derived relationship or MedCoder editorial.

Code Overview

Newborn affected by maternal conditions that may be unrelated to present pregnancy is a non-billable ICD-10-CM category code (P00). A more specific billable subcode must be selected for claims submission.

MedCoder summary Summary composed by MedCoder from this code's official ICD-10-CM record. The tabular instructional notes themselves appear verbatim below.

Verify Before Coding

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim in Claim Check.

Contextual Map

Every relationship of P00 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Run P00 with these 7 related codes in Claim Check

Hierarchy

Excludes2

Nearest codes (13)

Change history (2)

Reference

Index terms and tables, published questions and FAQ, every source behind this page with its release and checksum, the date-of-service check and the complete change history.

Common coding questions

MedCoder editorial

Can P00 be billed directly?

No. P00 (Newborn affected by maternal conditions that may be unrelated to present pregnancy) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Sources for this page

Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.

Code, title, tabular notes and index terms Official source data
CMS/CDC ICD-10-CM FY2027 tabular list, index and tables, effective October 1, 2026 Release, file and checksum · Publisher’s page
Claim edits Official source data
CMS Definitions of Medicare Code Edits — v44.0 (October 2026) Release, file and checksum · Publisher’s page
Change history and date-of-service validity Official source data
CMS ICD-10-CM release addenda, ingested release by release into the change ledger Release, file and checksum · Publisher’s page
Comparisons, relationships and the contextual map MedCoder-derived relationship
Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
Summary and FAQ answers MedCoder editorial explanation
Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.

Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 28, 2026 · All releases and sources

Labels on this page: Official source data · MedCoder-derived relationship · MedCoder editorial explanation. How to read the labels · All data sources and release dates · CMS coding rules

Cite this page

Reference this page in a research guide, syllabus or article. The release is included because code content changes each year.

MedCoder.ai. "P00 — Newborn affected by maternal conditions that may be unrelated to present pregnancy." ICD-10-CM FY2027. https://medcoder.ai/icd10/code/p00-newborn-affected-by-maternal-conditions-that-may-be-unrelated-to-present-pregnancy

Change history

  • FY2017 — October 1, 2016
    Description revised
    Newborn (suspected to be) affected by maternal conditions that may be unrelated to present pregnancy → Newborn affected by maternal conditions that may be unrelated to present pregnancy
    FY2017 changes
  • FY2016 — October 1, 2015
    In the code set at ICD-10-CM adoption
    Newborn (suspected to be) affected by maternal conditions that may be unrelated to present pregnancy

Nearest Codes in This Family

Official ICD-10-CM classifications closest to P00 in its code family, with their registry titles.