O33.6XX5 — Maternal care for disproportion due to hydrocephalic fetus, fetus 5
Is O33.6XX5 billable?
Yes — O33.6XX5 is billable for FY2027. O33.6XX5 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. O33.6XX5 may be submitted for encounters from October 1, 2026 through September 30, 2027.
O33.6XX5 at a glance
| Code | O33.6XX5 |
|---|---|
| Description | Maternal care for disproportion due to hydrocephalic fetus, fetus 5 |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "5" | fetus 5 |
What does the 7th character "5" mean in O33.6XX5?
In O33.6XX5, the 7th character 5 means fetus 5. The 7th character is required for O33.6XX5 to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does O33.6XX5 group to?
O33.6XX5 sits in MDC 14 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 817Other Antepartum Diagnoses with O.R. Procedures with MCCsurgical
- 818Other Antepartum Diagnoses with O.R. Procedures with CCsurgical
- 819Other Antepartum Diagnoses with O.R. Procedures without CC/MCCsurgical
How is O33.6XX5 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under O33.6, the nearest indexed parent of O33.6XX5. Use them to find the family, then select the specific code.
- Hydrocephalus › causing disproportion (acquired) (external) (internal) (malignant) (recurrent)
- Delivery › cesarean › hydrocephalic fetus (childbirth) (labor)
- Pregnancy › complicated by › hydrocephalic fetus (single) (uterine)
- Pregnancy › complicated by › disproportion › hydrocephalic fetus (single) (uterine)
Excludes1 — never code together — inherited from Chapter 15
The conditions below can never be reported together with O33.6XX5 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- supervision of normal pregnancy (Z34.-)
Excludes1 — never code together — inherited from O33
The conditions below can never be reported together with O33.6XX5 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- disproportion with obstructed labor (O65-O66)
Use additional code — inherited from Chapter 15
Report an additional code alongside O33.6XX5 to fully describe the condition. O33.6XX5 is sequenced first.
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Excludes2 — not included here — inherited from Chapter 15
The conditions below are not part of O33.6XX5, but a patient may have both at the same time. When documentation supports it, O33.6XX5 and the excluded code may both be reported.
How long has O33.6XX5 existed?
O33.6XX5 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.