ICD-10-CM Current in FY 2027

O33.6XX4

Maternal care for disproportion due to hydrocephalic fetus, fetus 4

Release: FY 2027
Effective: October 1, 2026

Hierarchy

Where O33.6XX4 sits in the official hierarchy. Each level is the code it is classified under.

O33 Maternal care for disproportion
O33.6 Parent Maternal care for disproportion due to hydrocephalic fetus
O33.6XX4 This code Maternal care for disproportion due to hydrocephalic fetus, fetus 4

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Includes

the listed conditions as a reason for observation, hospitalization or other obstetric care of the mother, or for cesarean delivery before onset of labor

Inherited from O33 — Maternal care for disproportion

Excludes1

disproportion with obstructed labor (O65-O66)

Inherited from O33 — Maternal care for disproportion

7th Character

One of the following 7th characters is to be assigned to code O33.6. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning code O33.6 with a 7th character of 1 through 9.