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ICD-10-CM O89.2: Central nervous system complications of anesthesia during the puerperium

O89.2 is the billable ICD-10-CM code for central nervous system complications of anesthesia during the puerperium, in category O89 (Complications of anesthesia during the puerperium) of the Complications predominantly related to the puerperium section. As a principal diagnosis it groups to MS-DRG 769 Postpartum and Post Abortion Diagnoses with O.R. Procedures, MS-DRG 776 Postpartum and Post Abortion Diagnoses without O.R. Procedures (MDC 14 MDC 14: Pregnancy, Childbirth and the Puerperium). 1 LCD billing and coding article lists it as covered.

Compiled from CMS files by the QuickIntell RCM Editorial Team · Data effective · Method: reference methodology · Report a data correction

Data currency: ICD-10-CM code descriptions: FY2027 (effective October 1, 2026); IPPS Table 5 (MS-DRG weights): v44 FY2027 (final rule + CN3) (effective October 1, 2026); ICD-10-CM to HCC mapping: PY2027 initial ICD-10-CM mappings (dates of service 2026) (payment year 2027); Medicare Coverage Database billing and coding articles: MCD release October 8, 2026 (effective October 4, 2026). Next CMS release: FY2028 code files, effective October 1, 2027 for the ICD-10-CM code descriptions; FY2028 final rule (August 2027), effective October 1, 2027; an April 1 interim grouper update when CMS issues one for the IPPS Table 5 (MS-DRG weights); PY2028 advance notice (February 2027) and the PY2027 midyear final mapping (spring 2027) for the ICD-10-CM to HCC mapping; weekly, every Thursday for the Medicare Coverage Database billing and coding articles.

Code
O89.2
billable FY2027 ICD-10-CM code
Category
O89 Complications of anesthesia during the puerperium
Chapter
15: Pregnancy, childbirth and the puerperium (O00-O9A)
CC/MCC (MS-DRG v44)
Neither
CMS-HCC V28
Not mapped
POA reporting
Required

Tabular list notes for O89.2

The tabular list has no notes on O89.2 itself; the notes below apply from its parent headings.

Inherited from O89 (Complications of anesthesia during the puerperium)

Includes
  • maternal complications arising from the administration of a general, regional or local anesthetic, analgesic or other sedation during the puerperium
Use additional code
  • code, if applicable, to identify specific complication

MS-DRG grouping when O89.2 is the principal diagnosis

MS-DRG v44 groups for O89.2 as principal diagnosis
MDCMS-DRGs
14 MDC 14: Pregnancy, Childbirth and the Puerperium769776

The final group also depends on procedures, secondary diagnoses and discharge status; the MS-DRG lookup for O89.2 shows the full grouping logic.

CC/MCC status and inpatient edits

O89.2 is neither a CC nor an MCC under MS-DRG v44, so as a secondary diagnosis it does not raise the MS-DRG severity level. Check O89.2 against a principal diagnosis.

  • Present on admission: a POA indicator is required on inpatient claims.
  • Medicare Code Editor: age conflict: maternity diagnosis (age 9 to 64).

CMS-HCC V28 risk adjustment

O89.2 does not map to a payment HCC in the PY2027 CMS-HCC V28 model, so on its own it does not change a Medicare Advantage risk score.

LCD billing and coding articles that list O89.2

1 current Medicare billing and coding article lists O89.2 among the diagnoses that support medical necessity for the services they cover.

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Frequently asked questions

What does ICD-10-CM O89.2 mean?

O89.2 means central nervous system complications of anesthesia during the puerperium. It is one of 10 billable codes under O89, complications of anesthesia during the puerperium.

Which MS-DRG does O89.2 group to?

As the principal diagnosis, O89.2 groups to MS-DRG 769 Postpartum and Post Abortion Diagnoses with O.R. Procedures, MS-DRG 776 Postpartum and Post Abortion Diagnoses without O.R. Procedures (MDC 14 MDC 14: Pregnancy, Childbirth and the Puerperium) under MS-DRG v44, before procedures and secondary diagnoses are applied.

Sources

Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-10. Verify against the primary file before billing or contracting decisions. The reference methodology explains how each figure is computed from these files.

Disclaimer

The descriptor and notes are reproduced from the FY2027 ICD-10-CM files; MS-DRG, CC/MCC and HCC facts come from the CMS FY2027 and PY2027 tables. Code from the medical record and the ICD-10-CM Official Guidelines. Not legal, clinical or billing advice.

Found a figure that does not match the CMS file? Report a data correction with the CMS file and the value you expected; the request reaches the editorial team through the contact form.