O30.299 — Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester

BillableUnspecified

Is O30.299 billable?

Yes, but O30.299 is an unspecified code. O30.299 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, O30.299 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 O30.299 — the more specific alternatives are listed below.

More specific alternatives

O30.299 at a glance

Code	O30.299
Description	Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does O30.299 group to?

O30.299 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 O30.299 listed in the Alphabetic Index?

The Alphabetic Index lists these routes under O30.29, the nearest indexed parent of O30.299. Use them to find the family, then select the specific code.

Pregnancy › quadruplet › unable to determine number of placenta and number of amniotic sacs (single) (uterine)

Excludes1 — never code together — inherited from Chapter 15

The conditions below can never be reported together with O30.299 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 O30.299 to fully describe the condition. O30.299 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 O30.299, but a patient may have both at the same time. When documentation supports it, O30.299 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)

Code also — inherited from O30

Two codes may be needed to describe the condition fully. Whether O30.299 is sequenced first depends on the reason for the encounter.

any complications specific to multiple gestation

How long has O30.299 existed?

O30.299 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.