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P09.9 ICD-10-CM Code: Abnormal findings on neonatal screening, unspecified

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Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Coding at a Glance

Tabular directives
2 inclusion terms · 1 Excludes2

Billable · FY2027A valid, specific ICD-10-CM code, reportable for dates of service in FY2027.

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; the Instructions section marks which is which.

Excludes2Not included here; may be reported together
  • nonspecific serologic evidence of human immunodeficiency virus HIV
IncludesWhat this code covers
  • Abnormal findings on state mandated newborn screens
  • Failed newborn screening

CompareCheck ClaimView Related Codes

Inpatient Payment Groups (MS-DRG)

Potential MS-DRG participation — not a DRG assignment.

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v44, Appendix B.

  • MS-DRG 947 — SIGNS AND SYMPTOMS WITH MCC (MDC 23)
  • MS-DRG 948 — SIGNS AND SYMPTOMS WITHOUT MCC (MDC 23)

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Coding instructions

Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for P09.9 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

Notes without a marker are published on P09.9 itself; “inherited from” names the category or block whose note applies here.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • Abnormal findings on state mandated newborn screens
  • Failed newborn screening

Source: inherited from P09

Excludes2 — Not Included Here

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

  • nonspecific serologic evidence of human immunodeficiency virus HIV

Coder workflow for P09.9

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

Before you code P09.9

  1. Unspecified does not mean incorrect. When the record gives no greater specificity, P09.9 may be the appropriate code. Check the record for detail that supports a more specific sibling. An unspecified code is for records that do not provide the detail a more specific code needs; a query, not an assumption, is the route to specificity (Guidelines I.A.9.b, I.B.18).

    ReviewP09.1, P09.2, P09.3, P09.4, P09.5, P09.6, P09.8

    See the relationships section · Guide: Other vs unspecified (NEC vs NOS) →

Choose the right path

  1. Does the record document the detail a more specific sibling code needs?
    Yes → Review the specific siblings in this subcategory.
    No → Continue — P09.9 is appropriate when the documentation goes no further.

    ReviewP09.1, P09.2, P09.3, P09.4, P09.5, P09.6, P09.8

Consider P09.9. Then confirm the code is valid for the date of service in the Verify section.

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).
Any detail beyond this code’s title
What the record states that a more specific sibling code would capture — or its absence, which itself supports the unspecified code.

Official instructions as workflow

  • Excludes2 — not part of P09.9(1 note)

    Coding workflow: The conditions named in this note are not included in P09.9. When the record documents both, both may be reported; the note is a boundary, not a prohibition.

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

Coding decision scenarios

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

Documentation: The provider documents the condition in the terms of this code’s title and records no further detail.

Coding question: Is a more specific sibling code supportable?

Path: Review the specific siblings in this subcategory and what each requires the record to state.

Reason: A more specific code needs documentation of the distinguishing element; without it the unspecified code is appropriate, and a provider query is the route to specificity (Guidelines I.A.9.b, I.B.18).

ReviewP09.1, P09.2, P09.3, P09.4, P09.5, P09.6, P09.8

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.

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

Abnormal findings on neonatal screening, unspecified is a billable ICD-10-CM diagnosis code (P09.9).

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

  • No Medicare Code Editor or MS-DRG Definitions Manual restrictions apply to this code.

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

Relationships & Classification

MedCoder-derived relationships — computed from published CMS and AHRQ datasets

MS-DRG Grouper Relationships (FY2027)

Potential MS-DRG participation — not a DRG assignment.

FY2027 MS-DRG: not on the CMS CC/MCC list — as a secondary diagnosis this code does not change MS-DRG severity for that release.

Named in the grouper logic of 2 MS-DRGs: DRG 947 (MDC 23), DRG 948 (MDC 23).

From the CMS MS-DRG Definitions Manual (Appendices B and C). Actual DRG assignment depends on the complete claim.

Clinical classification (AHRQ CCSR):PNL013 — Other specified and unspecified perinatal conditions (default).

Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality.

Related Codes

Same clinical category (CCSR)

AHRQ's Clinical Classifications Software groups these diagnoses under the same clinical category (Other specified and unspecified perinatal conditions).

P08.21 — Post-term newborn, P08.22 — Prolonged gestation of newborn, P09 — Abnormal findings on neonatal screening, P09.1 — Abnormal findings on neonatal screening for inborn errors of metabolism, P09.2 — Abnormal findings on neonatal screening for congenital endocrine disease, P09.3 — Abnormal findings on neonatal screening for congenital hematologic disorders, P09.4 — Abnormal findings on neonatal screening for cystic fibrosis, P09.5 — Abnormal findings on neonatal screening for critical congenital heart disease, P09.6 — Abnormal findings on neonatal hearing screening, P09.8 — Other abnormal findings on neonatal screening, P22.1 — Transient tachypnea of newborn, P29.0 — Neonatal cardiac failure, P29.11 — Neonatal tachycardia, P29.12 — Neonatal bradycardia, P29.2 — Neonatal hypertension, P29.3 — Persistent fetal circulation, P29.30 — Pulmonary hypertension of newborn, P29.38 — Other persistent fetal circulation, P29.4 — Transient myocardial ischemia in newborn, P29.81 — Cardiac arrest of newborn, +74 more

Same Index main term, other category

The ICD-10-CM Index to Diseases and Injuries files this code under the main term “Abnormal, abnormality, abnormalities”; these codes share that main term but sit in a different category of the Tabular List.

K92.1 — Melena (stool, bloody), L67.8 — Other hair color and hair shaft abnormalities (hair, specified NEC), L67.9 — Hair color and hair shaft abnormality, unspecified (hair), M05.A — Abnormal rheumatoid factor and anti-citrullinated protein antibody with rheumatoid arthritis (rheumatoid factor and anti-citrullinated protein antibody, with rheumatoid arthritis), M26.30 — Unspecified anomaly of tooth position of fully erupted tooth or teeth (direction, teeth, fully erupted), M26.51 — Abnormal jaw closure (jaw closure), N05.0 — Unspecified nephritic syndrome with minor glomerular abnormality (glomerular, minor), O02.89 — Other abnormal products of conception (product of conception, specified type NEC), O02.9 — Abnormal product of conception, unspecified (product of conception), O69.9 — Labor and delivery complicated by cord complication, unspecified (umbilical cord complicating delivery), P28.89 — Other specified respiratory conditions of newborn (pulmonary, function, newborn), P61.6 — Other transient neonatal disorders of coagulation (coagulation, newborn, transient), Q07.9 — Congenital malformation of nervous system, unspecified (development, developmental, central nervous system), Q17.8 — Other specified congenital malformations of ear (course, eustachian tube), Q21.16 — Sinus venosus atrial septal defect, unspecified (sinus venosus), Q21.19 — Other specified atrial septal defect (atrial septal, specified NEC), Q22.5 — Ebstein's anomaly (Ebstein), Q24.5 — Malformation of coronary vessels (coronary artery), Q25.79 — Other congenital malformations of pulmonary artery (pulmonary, artery, congenital), Q34.0 — Anomaly of pleura (pleural), +233 more

Contextual Map

Every relationship of P09.9 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.

Hierarchy

Clinical classification (CCSR)

MS-DRG Grouper

MDC crossing

  • MDC 23 — Factors Influencing Health Status and Other Contacts with Health Services[MDC crossing]: “Factors Influencing Health Status and Other Contacts with Health Services — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs. 1,258 same-MDC procedures group here; browse them on the MDC page.”— CMS MS-DRG Definitions Manual · FY2027

Index entries

  • Abnormal, abnormality, abnormalities, neonatal screening[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027

Nearest codes

Change history

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.

Indexed Clinical Terms (1)

Official source data — entries quoted as published, in the Index’s own lookup phrasing

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code. These are alphabetic-index entries shown as the Index writes them — lookup phrasing, not necessarily the wording of a final diagnosis.

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
Inpatient payment groups Official source data
CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v44 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 20, 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. "P09.9 — Abnormal findings on neonatal screening, unspecified." ICD-10-CM FY2027. https://medcoder.ai/icd10/code/p09.9-abnormal-findings-on-neonatal-screening-unspecified

Change history

  • FY2022 — October 1, 2021
    Added to the code set
    Abnormal findings on neonatal screening, unspecified
    FY2022 changes

Nearest Codes in This Family

Official ICD-10-CM classifications closest to P09.9 in its code family, with their registry titles.

View all codes in the P09 family