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Z02.84 ICD-10-CM Code: Encounter for child welfare exam

Compare with another codeCheck this code on a claim

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

Coding at a Glance

Tabular directives
1 inclusion term · 3 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
  • encounter for examination and observation for alleged child physical abuse (Z04.72)
  • encounter for examination and observation for alleged child rape (Z04.42)
  • examinations related to pregnancy and reproduction (Z30-Z36, Z39.-)
IncludesWhat this code covers
  • Encounter for child welfare screening exam

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 Z02.84 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 Z02.84 itself; “inherited from” names the category or block whose note applies here.

Inclusion Terms

Alternative terms the tabular list files under this code.

  • Encounter for child welfare screening exam

Excludes2 — Not Included Here

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

Coder workflow for Z02.84

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

Before you code Z02.84

  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 →

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 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

  • Excludes2 — not part of Z02.84(3 notes)

    Coding workflow: The conditions named in this note are not included in Z02.84. When the record documents both, both may be reported; the note is a boundary, not a prohibition.

    CompareZ04.72, Z04.42, Z39

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

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 Z02.84 with…

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

The codes most likely to be picked instead of Z02.84 — 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.

  • Z04.72— 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 examination and observation for alleged child physical abuse adds Z04.72; it is not part of this code and both may be reported when both are documented.

    Full comparison: Z02.84 vs Z04.72 →

  • Z04.42— 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 examination and observation for alleged child rape adds Z04.42; it is not part of this code and both may be reported when both are documented.

    Full comparison: Z02.84 vs Z04.42 →

  • 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: Z02.84 vs Z30 →

  • Z36— 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 Z36; it is not part of this code and both may be reported when both are documented.

    Full comparison: Z02.84 vs Z36 →

  • Z39— 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 Z39; it is not part of this code and both may be reported when both are documented.

    Full comparison: Z02.84 vs Z39 →

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

Encounter for child welfare exam is a billable ICD-10-CM diagnosis code (Z02.84).

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)

Z02 Encounter for administrative examination Except: Z02.9, Encounter for administrative examinations, unspecified Z32.0- Encounter for pregnancy test

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

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 pediatric (age 0-17) 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 Z02.84 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 3 Excludes1 notes: Z00 — Encounter for general examination without complaint, suspected or reported diagnosis (via Z02.-), Z01 — Encounter for other special examination without complaint, suspected or reported diagnosis (via Z02.-), Z02.7 — Encounter for issue of medical certificate.

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

Referenced by 1 Excludes2 note: Z71.84 — Encounter for health counseling related to travel (via Z02.-).

These codes’ tabular lists name this diagnosis as distinct — both may be reported when both are documented.

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):FAC001 — Encounter for administrative purposes (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 (Encounter for administrative purposes).

Z02.0 — Encounter for examination for admission to educational institution, Z02.1 — Encounter for pre-employment examination, Z02.2 — Encounter for examination for admission to residential institution, Z02.3 — Encounter for examination for recruitment to armed forces, Z02.4 — Encounter for examination for driving license, Z02.5 — Encounter for examination for participation in sport, Z02.6 — Encounter for examination for insurance purposes, Z02.71 — Encounter for disability determination, Z02.79 — Encounter for issue of other medical certificate, Z02.81 — Encounter for paternity testing, Z02.82 — Encounter for adoption services, Z02.83 — Encounter for blood-alcohol and blood-drug test, Z02.89 — Encounter for other administrative examinations, Z02.9 — Encounter for administrative examinations, unspecified

Same Index main term, other category

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

O36.80 — Pregnancy with inconclusive fetal viability (to determine fetal viability of pregnancy), O80 — Encounter for full-term uncomplicated delivery (delivery, full-term, uncomplicated), O82 — Encounter for cesarean delivery without indication (delivery, full-term, uncomplicated, cesarean, without indication), Z00.00 — Encounter for general adult medical examination without abnormal findings (laboratory), Z00.01 — Encounter for general adult medical examination with abnormal findings (laboratory, with abnormal findings), Z01.12 — Encounter for hearing conservation and treatment (hearing conservation and treatment), Z01.42 — Encounter for cervical smear to confirm findings of recent normal smear following initial abnormal smear (repeat cervical smear to confirm findings of recent normal smear following initial abnormal smear), Z01.83 — Encounter for blood typing (Rh typing), Z03.71 — Encounter for suspected problem with amniotic cavity and membrane ruled out (suspected condition, ruled out, polyhydramnios), Z03.72 — Encounter for suspected placental problem ruled out (suspected condition, ruled out, placental problem), Z03.73 — Encounter for suspected fetal anomaly ruled out (suspected condition, ruled out, fetal anomaly), Z03.74 — Encounter for suspected problem with fetal growth ruled out (suspected condition, ruled out, fetal growth), Z03.75 — Encounter for suspected cervical shortening ruled out (suspected condition, ruled out, cervical shortening), Z03.79 — Encounter for other suspected maternal and fetal conditions ruled out (suspected condition, ruled out, maternal and fetal conditions NEC), Z03.810 — Encounter for observation for suspected exposure to anthrax ruled out (observation, exposure to, anthrax), Z03.818 — Encounter for observation for suspected exposure to other biological agents ruled out (observation, exposure to, biological agent NEC), Z03.83 — Encounter for observation for suspected conditions related to home physiologic monitoring device ruled out (observation, alarm, without findings, apnea), Z05.81 — Observation and evaluation of newborn for suspected condition related to home physiologic monitoring device ruled out (observation, condition suspected related to home physiologic monitoring device, newborn), Z12.11 — Encounter for screening for malignant neoplasm of colon (colonoscopy, screening), Z29.11 — Encounter for prophylactic immunotherapy for respiratory syncytial virus (RSV) (prophylactic measures, immunotherapy for respiratory syncytial virus), +85 more

Contextual Map

Every relationship of Z02.84 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 Z02.84 with these 6 related codes in Claim Check

Hierarchy

Excludes2

Referenced by Excludes1 notes

Referenced by Excludes2 notes

Clinical classification (CCSR)

MS-DRG Grouper

MDC crossing

Index entries

  • Encounter (with health service) (for), administrative purpose only, examination for, child welfare[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027
  • Encounter (with health service) (for), child welfare screening exam[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027

Nearest codes (17)

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 (2)

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 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. "Z02.84 — Encounter for child welfare exam." ICD-10-CM FY2027. https://medcoder.ai/icd10/code/z02.84-encounter-for-child-welfare-exam

Change history

  • FY2024 — October 1, 2023
    Added to the code set
    Encounter for child welfare exam
    FY2024 changes

Nearest Codes in This Family

Official ICD-10-CM classifications closest to Z02.84 in its code family, with their registry titles.

View all codes in the Z02 family