O26.84 vs Z03.74
O26.84 (Uterine size-date discrepancy complicating pregnancy) compared with Z03.74 (Encounter for suspected problem with fetal growth ruled out), 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. O26.84 carries an Excludes1 note covering Z03.74: “encounter for suspected problem with fetal growth ruled out (Z03.74)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. Z03.74 carries an Excludes1 note covering O26.84: “known or suspected fetal anomalies affecting management of mother, not ruled out (O26.-, O35.-, O36.-, O40.-, O41.-)”
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
| O26.84Uterine size-date discrepancy complicating pregnancy | Z03.74Encounter for suspected problem with fetal growth ruled out | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | O00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A) | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) |
| Definition | Uterine size-date discrepancy complicating pregnancy is a non-billable ICD-10-CM category code (O26.84). | Encounter for suspected problem with fetal growth ruled out is a billable ICD-10-CM diagnosis code (Z03.74). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources