Z00.3 Encounter for examination for adolescent development state

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applicable to

• Encounter for puberty development state

Applies from Z00 Encounter for general examination without complaint, suspected or reported diagnosis

Excludes1 (never code together)

• encounter for examination for administrative purposes (Z02.-)

Excludes2 (not included here)

• encounter for pre-procedural examinations (Z01.81-)
• special screening examinations (Z11-Z13)

MS-DRG index

Defines the logic of DRG(s) 951 in MDC 23.

Approximate ICD-9-CM (GEMs)

• V21.1 Puberty (approximate)
• V21.2 Other development of adolescence (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Pediatric diagnoses (age 0 through 17): Age conflict edit. These diagnoses are clinically expected only in patients age 0 through 17.
• Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.

Code annotations containing back-references to Z00.3

Back-references to Z00

• Type 1 Excludes: Z02.7 Encounter for issue of medical certificate ("encounter for general medical examination (Z00-Z01, Z02.0-Z02.6, Z02.8-Z02.9)")

Diagnosis Index entries for Z00.3

• Evaluation (for) (of) › development state › adolescent
• Evaluation (for) (of) › development state › puberty
• Examination (for) (following) (general) (of) (routine) › adolescent (development state)
• Observation (following) (for) (without need for further medical care) › development state › adolescent
• Observation (following) (for) (without need for further medical care) › development state › puberty
• Puberty (development state)

Nearby codes

• Z00.111 Health examination for newborn 8 to 28 days old
• Z00.12 Encounter for routine child health examination
• 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 (this code)
• 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
• Z00.7 Encounter for examination for period of delayed growth in childhood
• 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