Z30.42 Encounter for surveillance of injectable contraceptive

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

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• V25.49 Surveillance of other contraceptive method (approximate)

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

• 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 Z30.42

Back-references to Z30.4

• Type 2 Excludes: Z01.4 Encounter for gynecological examination ("routine examination for contraceptive maintenance (Z30.4-)")
• Type 1 Excludes: Z09 Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm ("surveillance of contraception (Z30.4-)")
• Type 1 Excludes: Z30.01 Encounter for initial prescription of contraceptives ("encounter for surveillance of contraceptives (Z30.4-)")
• Type 2 Excludes: Z76.0 Encounter for issue of repeat prescription ("repeat prescription for contraceptive (Z30.4-)")

Back-references to Z30

• Type 2 Excludes: Z70 Counseling related to sexual attitude, behavior and orientation ("contraceptive or procreative counseling (Z30-Z31)")
• Type 2 Excludes: Z71 Persons encountering health services for other counseling and medical advice, not elsewhere classified ("contraceptive or procreation counseling (Z30-Z31)")
• Type 1 Excludes: Z92.0 Personal history of contraception ("counseling or management of current contraceptive practices (Z30.-)")

Diagnosis Index entries for Z30.42

• Contraception, contraceptive › maintenance › injectable
• Prescription of contraceptives (initial) › repeat › injectable

Nearby codes

• Z30.09 Encounter for other general counseling and advice on contraception
• Z30.2 Encounter for sterilization
• Z30.4 Encounter for surveillance of contraceptives
• Z30.40 Encounter for surveillance of contraceptives, unspecified
• Z30.41 Encounter for surveillance of contraceptive pills
• Z30.42 Encounter for surveillance of injectable contraceptive (this code)
• Z30.43 Encounter for surveillance of intrauterine contraceptive device
• Z30.430 Encounter for insertion of intrauterine contraceptive device
• Z30.431 Encounter for routine checking of intrauterine contraceptive device
• Z30.432 Encounter for removal of intrauterine contraceptive device
• Z30.433 Encounter for removal and reinsertion of intrauterine contraceptive device