O74.9 — Complication of anesthesia during labor and delivery, unspecified

BillableUnspecified

Is O74.9 billable?

Yes, but O74.9 is an unspecified code. O74.9 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, O74.9 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 O74.9 — the more specific alternatives are listed below.

More specific alternatives

O74.9 at a glance

Code	O74.9
Description	Complication of anesthesia during labor and delivery, unspecified
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does O74.9 group to?

O74.9 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.

998—

How is O74.9 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to O74.9. They show the wording a clinician may have documented, which often differs from the Tabular description.

Complication › sedation during labor and delivery (s) (from) (of)
Effect, adverse › anesthesia › in labor and delivery

Excludes1 — never code together — inherited from Chapter 15

The conditions below can never be reported together with O74.9 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

supervision of normal pregnancy (Z34.-)

Use additional code — inherited from Chapter 15

Report an additional code alongside O74.9 to fully describe the condition. O74.9 is sequenced first.

code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Use additional code — inherited from O74

Report an additional code alongside O74.9 to fully describe the condition. O74.9 is sequenced first.

code, if applicable, to identify specific complication

Excludes2 — not included here — inherited from Chapter 15

The conditions below are not part of O74.9, but a patient may have both at the same time. When documentation supports it, O74.9 and the excluded code may both be reported.

mental and behavioral disorders associated with the puerperium (F53.-)
obstetrical tetanus (A34)
postpartum necrosis of pituitary gland (E23.0)
puerperal osteomalacia (M83.0)

How long has O74.9 existed?

O74.9 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.