O33.6
Maternal care for disproportion due to hydrocephalic fetus
- Release
- FY 2027
- Effective
Hierarchy
Where O33.6 sits in the official hierarchy. Each level is the code it is classified under.
- O33 Parent Maternal care for disproportion
- O33.6 This code Maternal care for disproportion due to hydrocephalic fetus
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.
7th Character
0 - not applicable or unspecified
7th Character
1 - fetus 1
7th Character
2 - fetus 2
7th Character
3 - fetus 3
7th Character
4 - fetus 4
7th Character
5 - fetus 5
7th Character
9 - other fetus
More Specific Codes
7 codes under O33.6
- O33.6XX0 Maternal care for disproportion due to hydrocephalic fetus, not applicable or unspecified Billable
- O33.6XX1 Maternal care for disproportion due to hydrocephalic fetus, fetus 1 Billable
- O33.6XX2 Maternal care for disproportion due to hydrocephalic fetus, fetus 2 Billable
- O33.6XX3 Maternal care for disproportion due to hydrocephalic fetus, fetus 3 Billable
- O33.6XX4 Maternal care for disproportion due to hydrocephalic fetus, fetus 4 Billable
- O33.6XX5 Maternal care for disproportion due to hydrocephalic fetus, fetus 5 Billable
- O33.6XX9 Maternal care for disproportion due to hydrocephalic fetus, other fetus Billable
Version History
How O33.6 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentMaternal care for disproportion due to hydrocephalic fetus
-
FY 2026 Effective
UnchangedMaternal care for disproportion due to hydrocephalic fetus
Related Codes
Other codes under O33
- O33.0 Maternal care for disproportion due to deformity of maternal pelvic bones Billable
- O33.1 Maternal care for disproportion due to generally contracted pelvis Billable
- O33.2 Maternal care for disproportion due to inlet contraction of pelvis Billable
- O33.3 Maternal care for disproportion due to outlet contraction of pelvis
- O33.4 Maternal care for disproportion of mixed maternal and fetal origin
- O33.5 Maternal care for disproportion due to unusually large fetus
- O33.7 Maternal care for disproportion due to other fetal deformities
- O33.8 Maternal care for disproportion of other origin Billable
- O33.9 Maternal care for disproportion, unspecified Billable
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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