Z90.10 (Acquired absence of unspecified breast and nipple) compared with Z90.11 (Acquired absence of right breast and nipple), from the official CMS tabular data. Z90.10 and Z90.11 code the same condition on opposite sides.
Same condition; these differ only in which side is documented.
These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.
Source: ICD-10-CM tabular list (laterality variant derived from the code title)
Same condition, opposite side. Z90.10 and Z90.11 name the same condition on opposite sides of the body.
Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.
| Z90.10Acquired absence of unspecified breast and nipple | Z90.11Acquired absence of right breast and nipple | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) |
| Definition | Acquired absence of unspecified breast and nipple is a billable ICD-10-CM diagnosis code (Z90.10). | Acquired absence of right breast and nipple is a billable ICD-10-CM diagnosis code (Z90.11). |
| Includes | postprocedural or post-traumatic loss of body part NEC | postprocedural or post-traumatic loss of body part NEC |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources