Z90 – Acquired absence of organs, not elsewhere classified

Code

Z90 (claims format: Z90)

Description

Acquired absence of organs, not elsewhere classified

Billable

No – use a more specific code below

Valid for

Dates of service October 1, 2026 – September 30, 2027 (FY2027)

Chapter

21. Factors influencing health status and contact with health services (Z00-Z99)

Block

Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status

Billable codes under Z90

Z90 is a header code and cannot be used on claims. Choose the most specific code:

• Z90.0 – Acquired absence of part of head and neckHeader (more codes below)
• Z90.1 – Acquired absence of breast and nippleHeader (more codes below)
• Z90.2 – Acquired absence of lung [part of]Billable
• Z90.3 – Acquired absence of stomach [part of]Billable
• Z90.4 – Acquired absence of other specified parts of digestive tractHeader (more codes below)
• Z90.5 – Acquired absence of kidneyBillable
• Z90.6 – Acquired absence of other parts of urinary tractBillable
• Z90.7 – Acquired absence of genital organ(s)Header (more codes below)
• Z90.8 – Acquired absence of other organsHeader (more codes below)

Notes for Z90

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block Z77-Z99