O33.5 Maternal care for disproportion due to unusually large fetus
Non-billable ICD-10-CM code.
Applicable to
Maternal care for disproportion due to disproportion of fetal origin with normally formed fetus
Maternal care for disproportion due to fetal disproportion NOS
7th character note
One of the following 7th characters is to be assigned to code O33.5. 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 O33.5 with a 7th character of 1 through 9.
7th character required
0 — not applicable or unspecified
1 — fetus 1
2 — fetus 2
3 — fetus 3
4 — fetus 4
5 — fetus 5
9 — other fetus
Applies from O33 Maternal care for disproportion
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
Excludes1 (never code together)
disproportion with obstructed labor (O65-O66)
Code annotations containing back-references to O33.5
Back-references to O33
Type 1 Excludes: M95.5 Acquired deformity of pelvis ("maternal care for known or suspected disproportion (O33.-)")