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Z00.110 ICD-10-CM Code: Health examination for newborn under 8 days old

Compare with another code for Z00.110Check this code on a claim

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

Coding at a Glance

Official instructions
1 inclusion term · 2 Excludes1 · 3 Excludes2 · 1 use-additional instruction

What these terms mean →

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, and is marked with where it comes from.

Use additional codefrom Z00.11Report with this code when documented
  • Use additional code to identify any abnormal findings
Excludes1Not reported with this code unless documented as unrelated
  • health check for child over 28 days old (Z00.12-) (from Z00.11)
  • encounter for examination for administrative purposes (Z02.-) (from Z00)
Excludes2Not included here; may be reported together
  • encounter for pre-procedural examinations (Z01.81-) (from Z00)
  • special screening examinations (Z11-Z13) (from Z00)
  • examinations related to pregnancy and reproduction (Z30-Z36, Z39.-) (from Z00-Z13)
IncludesWhat this code covers
  • Health check for newborn under 8 days old

Where it sits Source: CMS/NCHS

Under:Chapter 21: Factors Influencing Health Status and Contact with Health ServicesZ00-Z13 Persons encountering health services for examinationsZ00 Encounter for general examination without complaint, suspected or reported diagnosisZ00.1 Encounter for newborn, infant and child health examinationsZ00.11 Newborn health examination

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

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 795 — NORMAL NEWBORN (MDC 15)
  • MS-DRG 951 — OTHER FACTORS INFLUENCING HEALTH STATUS (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 Z00.110 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 Z00.110 itself; “inherited from” names the category or block whose note applies here.

Inclusion Terms

Alternative terms the tabular list files under this code.

  • Health check for newborn under 8 days old

Excludes1 — Not Coded Here

Conditions generally not reported together with this code (Excludes1) -- an error unless the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Excludes2 — Not Included Here

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

Use Additional Code

Supplementary codes the tabular list directs you to add.

  • Use additional code to identify any abnormal findings

Source: inherited from Z00.11

Coder workflow for Z00.110

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

Before you code Z00.110

  1. Confirm the reason for the encounter this Z code records: an examination or encounter with no complaint or diagnosis. Check whether the code may be reported as first-listed or principal — some Z codes are limited to one position — and do not report a history or status code for a condition documented as current. Z code categories and their reporting positions (Guidelines I.C.21.c, I.C.21.c.15).

    Guide: Z codes as principal or first-listed diagnosis →

  2. Check the Excludes1 note: if the documentation supports a condition named there, do not simply proceed with Z00.110. Excludes1 conditions are not reported together with this code unless the record shows they are unrelated (Guidelines I.A.12.a).

    See the official tabular notes

Choose the right path

  1. Does the documentation support a condition named in Z00.110’s Excludes1 note?
    Yes → Do not simply proceed: review the excluded code. Both are reported only when the record shows the two conditions are unrelated.
    No → Continue.

    ReviewZ00.12, Z02

Consider Z00.110. Then work the Use Additional Code note, and 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).
The conditions the Use Additional Code note names
Reported with this code when documented; a conditional instruction (“if applicable”, “if known”) applies only when the record supports it.
The reason for the encounter
Whether the code records the encounter’s purpose, a status, or a history — and whether it may be first-listed (Guidelines I.C.21.c).

Official instructions as workflow

  • Excludes1 — check before selecting Z00.110(2 notes)

    Coding workflow: If the documentation supports a condition named in this note, do not simply proceed with Z00.110: the two are not reported together. The one exception is when the record shows the two conditions are unrelated to each other.

    CompareZ00.12, Z02

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

  • Excludes2 — not part of Z00.110(3 notes)

    Coding workflow: The conditions named in this note are not included in Z00.110. When the record documents both, both may be reported; the note is a boundary, not a prohibition.

    CompareZ01.81, Z39

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

  • Use Additional Code — after identifying Z00.110(1 note)

    Coding workflow: Check whether the documentation supports the additional code(s) the note names, and report them with Z00.110 when it does. Where the instruction is conditional (“if applicable”, “if known”), it applies only when the record documents the condition.

    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: Both the condition Z00.110 describes and a condition named in its Excludes1 note are documented for the same encounter.

Coding question: Can both codes be reported?

Path: Review the Excludes1 note and the excluded code, and look for a provider statement on whether the two conditions are related.

Reason: Excludes1 means the two are not coded together; the exception is when the record shows the conditions are unrelated to each other (Guidelines I.A.12.a).

ReviewZ00.12, Z02

Documentation: A condition the Use Additional Code note names is documented.

Coding question: Is a second code reported with Z00.110?

Path: Review the Use Additional Code note and the code it names.

Reason: The additional code is reported when the record documents the condition; a conditional instruction applies only when its condition is met (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 Z00.110 with…

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

The codes most likely to be picked instead of Z00.110 — 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.

  • Z00.12— Excludes1 conflict (Excludes1 — generally not reported together)

    Not coded here — the tabular list excludes this pair for the same encounter.

    Not reported together with this code, except where the two conditions are documented as unrelated.

    What moves you there: Documentation of health check for child over 28 days old moves the case to Z00.12; the two are not reported together unless documented as unrelated.

    Full comparison: Z00.110 vs Z00.12 →

  • Z02— Excludes1 conflict (Excludes1 — generally not reported together)

    Not coded here — the tabular list excludes this pair for the same encounter.

    Not reported together with this code, except where the two conditions are documented as unrelated.

    What moves you there: Documentation of encounter for examination for administrative purposes moves the case to Z02; the two are not reported together unless documented as unrelated.

    Full comparison: Z00.110 vs Z02 →

  • Z01.81— 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 pre-procedural examinations adds Z01.81; it is not part of this code and both may be reported when both are documented.

    Full comparison: Z00.110 vs Z01.81 →

  • Z11— 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 special screening examinations adds Z11; it is not part of this code and both may be reported when both are documented.

    Full comparison: Z00.110 vs Z11 →

  • Z13— 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 special screening examinations adds Z13; it is not part of this code and both may be reported when both are documented.

    Full comparison: Z00.110 vs Z13 →

  • Z30— 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 examinations related to pregnancy and reproduction adds Z30; it is not part of this code and both may be reported when both are documented.

    Full comparison: Z00.110 vs Z30 →

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

Health examination for newborn under 8 days old is a billable ICD-10-CM diagnosis code (Z00.110).

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

Official Coding Guidelines

Official source data — quoted verbatim from the CMS/NCHS Official Guidelines

Verbatim excerpts from the ICD-10-CM Official Guidelines for Coding and Reporting (CMS/NCHS) that govern this code.

Chapter 21: Factors influencing health status and contact with health services (Z00-Z99)

Newborn Z codes/subcategories/categories: Z76.1 Encounter for health supervision and care of foundling Z00.1- Encounter for routine child health examination Z38 Liveborn infants according to place of birth and type of delivery

Chapter 20: External Causes of Morbidity (V00-Y99)

1) Used with any code in the range of A00.0-T88.9, Z00-Z99 An external cause code may be used with any code in the range of A00.0-T88.9, Z00-Z99, classification that represents a health condition due to an external cause. Though they are most applicable to injuries, they are also valid for use with such things as infections or diseases due to an external source, and other health conditions, such as a heart attack that occurs during strenuous physical activity.

Chapter 21: Factors influencing health status and contact with health services (Z00-Z99)

The Z codes/categories for routine and administrative examinations: Z00 Encounter for general examination without complaint, suspected or reported diagnosis Z01 Encounter for other special examination without complaint, suspected or reported diagnosis

Chapter 21: Factors influencing health status and contact with health services (Z00-Z99)

15) Z Codes That May Only be Principal/First-Listed Diagnosis The following Z codes/subcategories/categories may only be reported as the principal/first-listed diagnosis, except when there are multiple encounters on the same day and the medical records for the encounters are combined: Z00 Encounter for general examination without complaint, suspected or reported diagnosis Except: Z00.6 Z01 Encounter for other special examination without complaint, suspected or reported diagnosis Z02 Encounter for administrative examination Z04 Encounter for examination and observation for other reasons Z33.2 Encounter for elective termination of pregnancy

Decision Points

The directives on this code's own record, as a pre-claim checklist.

  1. 1 Use Additional Code instruction — report the named additional code(s) when the documentation supports them. See the Use Additional Code notes
  2. 2 Excludes1 entries — codes named there are generally not reported together with this code (Guidelines I.A.12.a). See the Excludes1 notes
  3. 3 Excludes2 entries — those conditions are not part of this code and may be reported additionally when documented. See the Excludes2 notes

Checklist rows are derived from this code's own official directives; the wording of each check is MedCoder editorial. The official notes themselves are in the sections each row links to.

Verify Before Coding

  • Principal-diagnosis restriction. The Medicare Code Editor lists this code as unacceptable as a principal diagnosis: it describes a circumstance influencing health status rather than a current illness or injury being treated. It is valid as a secondary diagnosis.
  • Age-restricted: the Medicare Code Editor lists this as a perinatal/newborn (age 0 only) diagnosis; other ages are presumed incorrect.

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

Other codes that name Z00.110 or its code family, from the CMS ICD-10-CM tabular instructional notes. Tabular-note edges are stored at the code family level that carries each note.

Referenced by 2 Excludes1 notes: Z00.12 — Encounter for routine child health examination (via Z00.11.-), Z02.7 — Encounter for issue of medical certificate (via Z00.-).

These codes’ tabular lists mark this diagnosis as mutually exclusive — not reported together unless the conditions are documented as unrelated.

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 795 (MDC 15), DRG 951 (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):FAC014 — Medical examination/evaluation (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

Principal diagnosis restriction (Medicare Code Editor)

Not acceptable as a principal diagnosis on an inpatient claim.

Same clinical category (CCSR)

AHRQ's Clinical Classifications Software groups these diagnoses under the same clinical category (Medical examination/evaluation).

Z00.00 — Encounter for general adult medical examination without abnormal findings, Z00.01 — Encounter for general adult medical examination with abnormal findings, Z00.111 — Health examination for newborn 8 to 28 days old, Z00.121 — Encounter for routine child health examination with abnormal findings, Z00.129 — Encounter for routine child health examination without abnormal findings, Z00.2 — Encounter for examination for period of rapid growth in childhood, Z00.3 — Encounter for examination for adolescent development state, Z00.5 — Encounter for examination of potential donor of organ and tissue, Z00.6 — Encounter for examination for normal comparison and control in clinical research program, Z00.70 — Encounter for examination for period of delayed growth in childhood without abnormal findings, Z00.71 — Encounter for examination for period of delayed growth in childhood with abnormal findings, Z00.8 — Encounter for other general examination, Z01.00 — Encounter for examination of eyes and vision without abnormal findings, Z01.01 — Encounter for examination of eyes and vision with abnormal findings, Z01.020 — Encounter for examination of eyes and vision following failed vision screening without abnormal findings, Z01.021 — Encounter for examination of eyes and vision following failed vision screening with abnormal findings, Z01.10 — Encounter for examination of ears and hearing without abnormal findings, Z01.110 — Encounter for hearing examination following failed hearing screening, Z01.118 — Encounter for examination of ears and hearing with other abnormal findings, Z01.12 — Encounter for hearing conservation and treatment, +15 more

Same Index main term, other category

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

P91.60 — Hypoxic ischemic encephalopathy [HIE], unspecified (affected by, hypoxic ischemic encephalopathy [HIE]), P91.61 — Mild hypoxic ischemic encephalopathy [HIE] (affected by, hypoxic ischemic encephalopathy [HIE], mild), P91.62 — Moderate hypoxic ischemic encephalopathy [HIE] (affected by, hypoxic ischemic encephalopathy [HIE], moderate), P91.63 — Severe hypoxic ischemic encephalopathy [HIE] (affected by, hypoxic ischemic encephalopathy [HIE], severe), P92.01 — Bilious vomiting of newborn (vomiting, bilious), P92.09 — Other vomiting of newborn (vomiting), P96.1 — Neonatal withdrawal symptoms from maternal use of drugs of addiction (abstinence syndrome), P96.5 — Complication to newborn due to (fetal) intrauterine procedure (affected by, intrauterineprocedure), P96.89 — Other specified conditions originating in the perinatal period (breast buds), R68.13 — Apparent life threatening event in infant (ALTE) (affected by, apparent life threatening event), Z38.00 — Single liveborn infant, delivered vaginally (born in hospital), Z38.01 — Single liveborn infant, delivered by cesarean (born in hospital, by cesarean), Z38.1 — Single liveborn infant, born outside hospital (born outside hospital), Z38.2 — Single liveborn infant, unspecified as to place of birth, Z38.30 — Twin liveborn infant, delivered vaginally (twin, born in hospital), Z38.31 — Twin liveborn infant, delivered by cesarean (twin, born in hospital, by cesarean), Z38.4 — Twin liveborn infant, born outside hospital (twin, born outside hospital), Z38.5 — Twin liveborn infant, unspecified as to place of birth (twin), Z38.61 — Triplet liveborn infant, delivered vaginally (triplet, born in hospital), Z38.62 — Triplet liveborn infant, delivered by cesarean (triplet, born in hospital, by cesarean), +147 more

Contextual Map

Every relationship of Z00.110 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 Z00.110 with these 2 related codes in Claim Check

Hierarchy

Referenced by Excludes1 notes

Clinical classification (CCSR)

MS-DRG Grouper

MDC crossing

Index entries

  • Newborn (infant) (liveborn) (singleton), examination, under 8 days old[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027

Nearest codes (18)

Change history

  • FY2016 — In the code set at ICD-10-CM adoption [Change history]— CMS release files (code change ledger) · icd10cm-fy2016

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
Coding guidelines Official source data
ICD-10-CM Official Guidelines for Coding and Reporting (FY2027), quoted by section 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 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. "Z00.110 — Health examination for newborn under 8 days old." ICD-10-CM FY2027. https://medcoder.ai/icd10/code/z00.110-health-examination-for-newborn-under-8-days-old

Change history

  • FY2016 — October 1, 2015
    In the code set at ICD-10-CM adoption
    Health examination for newborn under 8 days old

No changes since FY2016 — additions, deletions, description changes and billable-status changes are tracked through FY2027, and none are recorded for this code. Note changes are tracked from FY2027 only.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to Z00.110 in its code family, with their registry titles.

View all codes in the Z00 family