2026 ICD-10-CM Diagnosis Code Z02.84Encounter for child welfare exam
Z02.84 is a billable ICD-10-CM diagnosis code for encounter for child welfare exam. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The code is restricted by the Medicare Code Editor to pediatric patients (age 0 through 17), not accepted as a principal diagnosis, and exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Encounter for administrative purposes.
Code Identity
Code Classification
Code EditsBilling
Medicare Code Editor checks that affect claim validity for Z02.84.
Present on Admission (POA)Billing
Z02.84 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- Encounter for child welfare screening exam
Type 2 Excludes
- encounter for examination and observation for alleged child physical abuse Z04.72
- encounter for examination and observation for alleged child rape Z04.42
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- Encounter (with health service) (for) - Z76.89
- administrative purpose only - Z02.9
- child welfare - Z02.84
- child welfare screening exam - Z02.84
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- Encounter(with health service) (for)
- administrative purpose only
- examination for
- child welfare
- Encounter(with health service) (for)
- child welfare screening exam
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Code History & ChangesHistory
Replacement Z02.84 replaces the following previously assigned code(s):
- Z02.89 - Encounter for other administrative examinations
Questions About Z02.84Overview
Is Z02.84 (Encounter for other administrative examinations) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report encounter for child welfare exam on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
Can Z02.84 be a principal diagnosis?
No. The Medicare Code Editor rejects this code as a principal diagnosis because encounter for child welfare exam describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.
Who can Z02.84 be reported for?
The Medicare Code Editor checks encounter for child welfare exam against patient demographics: this code is intended for pediatric patients (age 0 through 17). Claims outside these limits are flagged as inconsistent.
Is Z02.84 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 encounter for child welfare exam on inpatient claims.
