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ICD-10-CM I97.711: Intraoperative cardiac arrest during other surgery

I97.711 is the billable ICD-10-CM code for intraoperative cardiac arrest during other surgery, in category I97 (Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified) of the Other and unspecified disorders of the circulatory system section. As a principal diagnosis it groups to MS-DRG 314 Other Circulatory System Diagnoses with MCC, MS-DRG 315 Other Circulatory System Diagnoses with CC, MS-DRG 316 Other Circulatory System Diagnoses without CC/MCC (MDC 05 MDC 05: Diseases and Disorders of the Circulatory System); or MS-DRG 791 Prematurity with Major Problems, MS-DRG 793 Full Term Neonate with Major Problems (MDC 15 MDC 15: Newborns and Other Neonates with Conditions Originating in Perinatal Period). As a secondary diagnosis it is a CC, excluded with 62 principal diagnoses. 6 LCD billing and coding articles list 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
I97.711
billable FY2027 ICD-10-CM code
Category
I97 Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified
Chapter
9: Diseases of the circulatory system (I00-I99)
CC/MCC (MS-DRG v44)
CC
CMS-HCC V28
Not mapped
POA reporting
Required

Tabular list notes for I97.711

The tabular list has no notes on I97.711 itself; the notes below apply from its parent headings.

Inherited from I97 (Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified)

Excludes2 (not part of this condition, may be coded together)
  • postprocedural shock (T81.1-)

Inherited from I97.7 (Intraoperative cardiac functional disturbances)

Excludes2 (not part of this condition, may be coded together)
  • acute pulmonary insufficiency following thoracic surgery (J95.1)
  • postprocedural cardiac functional disturbances (I97.1-)

MS-DRG grouping when I97.711 is the principal diagnosis

MS-DRG v44 groups for I97.711 as principal diagnosis
MDCMS-DRGs
05 MDC 05: Diseases and Disorders of the Circulatory System314315316
15 MDC 15: Newborns and Other Neonates with Conditions Originating in Perinatal Period791793

The final group also depends on procedures, secondary diagnoses and discharge status; the MS-DRG lookup for I97.711 shows the full grouping logic.

CC/MCC status and inpatient edits

As a secondary diagnosis, I97.711 is a CC under MS-DRG v44, unless the principal diagnosis is one of the 62 codes in its exclusion list. Check I97.711 against a principal diagnosis.

  • Present on admission: a POA indicator is required on inpatient claims.

CMS-HCC V28 risk adjustment

I97.711 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 I97.711

6 current Medicare billing and coding articles list I97.711 among the diagnoses that support medical necessity for the services they cover.

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Frequently asked questions

What does ICD-10-CM I97.711 mean?

I97.711 means intraoperative cardiac arrest during other surgery. It is one of 25 billable codes under I97, intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified.

Which MS-DRG does I97.711 group to?

As the principal diagnosis, I97.711 groups to MS-DRG 314 Other Circulatory System Diagnoses with MCC, MS-DRG 315 Other Circulatory System Diagnoses with CC, MS-DRG 316 Other Circulatory System Diagnoses without CC/MCC (MDC 05 MDC 05: Diseases and Disorders of the Circulatory System); or MS-DRG 791 Prematurity with Major Problems, MS-DRG 793 Full Term Neonate with Major Problems (MDC 15 MDC 15: Newborns and Other Neonates with Conditions Originating in Perinatal Period) under MS-DRG v44, before procedures and secondary diagnoses are applied.

Is I97.711 a CC or MCC?

I97.711 is a CC under MS-DRG v44; 62 principal diagnoses exclude it.

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.