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O26.841

O26.841: Uterine size-date discrepancy, first trimester

Billable / specific codeICD-10-CM

O26.841 is a billable, specific ICD-10-CM code for uterine size-date discrepancy, first trimester. It is valid for submission on a claim.

Check O26.841 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above O26.841

A category’s note binds every code beneath it.

Written on O26.84: Uterine size-date discrepancy complicating pregnancy

  • encounter for suspected problem with fetal growth ruled out (Z03.74)

Other codes that can never be billed with O26.841

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • Z03.7Encounter for suspected maternal and fetal conditions ruled out

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under O26.84

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.