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ICD-10-CM 2027

ICD-10 code for uterine size date discrepancy

O26.84

Uterine size-date discrepancy complicating pregnancy

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Discrepancy › uterine size date”. Page updated September 29, 2026.

About coding uterine size date discrepancy

The ICD-10-CM code for uterine size date discrepancy is O26.84 (Uterine size-date discrepancy complicating pregnancy).

Within O26.8 (other specified pregnancy related conditions), O26.84 is specifically for uterine size-date discrepancy complicating pregnancy. Related codes cover pregnancy related exhaustion and fatigue (O26.81), pregnancy related peripheral neuritis (O26.82), pregnancy related renal disease (O26.83), Spotting complicating pregnancy (O26.85), pruritic urticarial papules and plaques of pregnancy (PUPPP) (O26.86), cervical shortening (O26.87) and other specified pregnancy related conditions (O26.89).

To report this condition, pick the subcode that matches the documentation: O26.841 (trimester), O26.842 (trimester), O26.843 (trimester) and O26.849 (trimester).

Don't report O26.84 together with the conditions in its Excludes1 note: encounter for suspected problem with fetal growth ruled out (Z03.74).

Don't confuse with (Excludes1 for O26.84)

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

Common questions about uterine size date discrepancy ICD-10 codes

What is the ICD-10 code for uterine size date discrepancy?

O26.84 — Uterine size-date discrepancy complicating pregnancy (a header code; report a more specific subcode).

Is O26.84 billable?

No. O26.84 is a header code. Report one of its more specific subcodes instead.