Z37.9 — Outcome of delivery, unspecified
Is Z37.9 billable?
Yes, but Z37.9 is an unspecified code. Z37.9 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, Z37.9 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting Z37.9 — the more specific alternatives are listed below.
More specific alternatives
Z37.9 at a glance
| Code | Z37.9 |
|---|---|
| Description | Outcome of delivery, unspecified |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
What Medicare edits apply to Z37.9?
The Medicare Code Editor screens inpatient claims before they are grouped. These edits name Z37.9 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 Z37.9 group to?
Z37.9 sits in MDC 14 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.
- 768Vaginal Delivery with O.R. Procedures Except Sterilization and/or D&Csurgical
How is Z37.9 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to Z37.9. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Outcome of delivery
- Outcome of delivery › multiple births
- Outcome of delivery › single NEC
- Outcome of delivery › twins NEC
Inclusion terms
Alternative wording in documentation that is classified to Z37.9.
- Multiple birth NOS
- Single birth NOS
Excludes1 — never code together — inherited from Z37
The conditions below can never be reported together with Z37.9 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- stillbirth (P95)
How long has Z37.9 existed?
Z37.9 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.