O28 vs R82.993
O28 (Abnormal findings on antenatal screening of mother) compared with R82.993 (Hyperuricosuria), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. R82.993 carries an Excludes1 note covering O28: “abnormal findings on antenatal screening of mother (O28.-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| O28Abnormal findings on antenatal screening of mother | R82.993Hyperuricosuria | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | O00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A) | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) |
| Definition | Abnormal findings on antenatal screening of mother is a non-billable ICD-10-CM category code (O28). | Hyperuricosuria is a billable ICD-10-CM diagnosis code (R82.993). |
| Includes | — | chromoabnormalities in urine |
| Use additional code | — | code to identify any retained foreign body, if applicable (Z18.-) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources