Z31.84 Encounter for fertility preservation procedure

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

Applicable to

• Encounter for fertility preservation procedure prior to cancer therapy
• Encounter for fertility preservation procedure prior to surgical removal of gonads

Applies from Z31 Encounter for procreative management

Excludes2 (not included here)

• complications associated with artificial fertilization (N98.-)
• female infertility (N97.-)
• male infertility (N46.-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• V26.82 Encounter for fertility preservation procedure

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 Z31.84

Back-references to Z31

• 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)")

Diagnosis Index entries for Z31.84

• Encounter (with health service) (for) › fertility preservation procedure (prior to cancer therapy) (prior to removal of gonads)

Nearby codes

• Z31.7 Encounter for procreative management and counseling for gestational carrier
• Z31.8 Encounter for other procreative management
• Z31.81 Encounter for male factor infertility in female patient
• Z31.82 Encounter for Rh incompatibility status
• Z31.83 Encounter for assisted reproductive fertility procedure cycle
• Z31.84 Encounter for fertility preservation procedure (this code)
• Z31.89 Encounter for other procreative management
• Z31.9 Encounter for procreative management, unspecified