Z00

Non-Billable
ChapterZ00–Z99
Rankcategory
Official Description

Encounter for general examination without complaint, suspected or reported diagnosis

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 21: Factors Influencing Health Status and Contact with Health Services (Z00-Z99).

Z00-Z13 Parent Instructions

Excludes2(Not included here)
  • examinations related to pregnancy and reproduction (Z30-Z36, Z39.-)

Instructional Notes

Excludes1(Not coded here)
  • encounter for examination for administrative purposes (Z02.-)
Excludes2(Not included here)
  • encounter for pre-procedural examinations (Z01.81-)
  • special screening examinations (Z11-Z13)

Clinical Hierarchy

CH21Factors influencing health status and contact with health services (Z00-Z99)
Z00-Z13Persons encountering health services for examinations (Z00-Z13)
Z00Encounter for general examination without complaint, suspected or reported diagnosis
Z00.0Encounter for general adult medical examination
Z00.1Encounter for newborn, infant and child health examinations
Z00.2Encounter for examination for period of rapid growth in childhood
Z00.3Encounter for examination for adolescent development state
Z00.5Encounter for examination of potential donor of organ and tissue
Z00.6Encounter for examination for normal comparison and control in clinical research program
Z00.7Encounter for examination for period of delayed growth in childhood
Z00.8Encounter for other general examination

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Z00:

blockZ00-Z13
Persons encountering health services for examinations (Z00-Z13)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to Z00. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Admission (for)15 unique routes
clinical research investigation (control) (normal comparison) (participant)→Z00
examination at health care facility (adult)→Z00(10 variants)
clinical research investigation (control) (normal comparison) (participant)→Z00
donor (potential)→Z00
general, specified reason NEC→Z00
hearing(2 variants)
infant or child (over 28 days old)→Z00(2 variants)
with abnormal findings→Z00
psychiatric (general)→Z00
vision(2 variants)
infant or child (over 28 days old)→Z00(2 variants)
with abnormal findings→Z00
with abnormal findings→Z00
mental health evaluation→Z00
psychiatric examination (general)→Z00
vision examination(2 variants)
infant or child (over 28 days old)→Z00(2 variants)
with abnormal findings→Z00
Childhood1 unique routes
period of rapid growth→Z00
Clinical research investigation (clinical trial) (control subject) (normal comparison) (participant)1 unique routes
Direct index entry→Z00
Donor (organ or tissue)1 unique routes
potential, examination of→Z00
Encounter (with health service) (for)6 unique routes
laboratory (as part of a general medical examination)→Z00(2 variants)
with abnormal findings→Z00
radiological (as part of a general medical examination)→Z00(2 variants)
with abnormal findings→Z00
X-ray of chest (as part of a general medical examination)→Z00(2 variants)
with abnormal findings→Z00
Evaluation (for) (of)1 unique routes
development state
adolescent→Z00

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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