Z33.3 — Pregnant state, gestational carrier
Is Z33.3 billable?
Yes — Z33.3 is billable for FY2027. Z33.3 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Z33.3 may be submitted for encounters from October 1, 2026 through September 30, 2027.
Z33.3 at a glance
| Code | Z33.3 |
|---|---|
| Description | Pregnant state, gestational carrier |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
What Medicare edits apply to Z33.3?
The Medicare Code Editor screens inpatient claims before they are grouped. These edits name Z33.3 directly.
CMS will reject this code as the principal diagnosis on an inpatient claim. It describes something other than the condition chiefly responsible for the admission.
Which MS-DRGs does Z33.3 group to?
Z33.3 sits in MDC 23 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 951Other Factors Influencing Health Statusmedical
How is Z33.3 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to Z33.3. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Pregnancy › gestational carrier (single) (uterine)
- State › pregnant › gestational carrier (of)
Excludes1 — never code together
The conditions below can never be reported together with Z33.3 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- encounter for procreative management and counseling for gestational carrier (Z31.7)
How long has Z33.3 existed?
Z33.3 first appears in FY2018 (FY2017 is not available, so it may have appeared then).
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
Which codes are confused with Z33.3?
ICD-10-CM declares these codes mutually exclusive with Z33.3 — exactly one of each pair can be correct for a given encounter.