ICD-10 I97.88
Billable / Specific CCOther intraoperative complications of the circulatory system, not elsewhere classified
About ICD-10-CM I97.88
ICD-10-CM code I97.88 represents Other intraoperative complications of the circulatory system, not elsewhere classified. This is a billable/specific code in the Circulatory System chapter (block I97). The 2026 edition of ICD-10-CM I97.88 became effective on October 1, 2025.
Coding Tips for I97.88
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
I97.88 is designated CC for MS-DRG grouping. On inpatient claims, this code can shift the DRG to the with-CC variant when documented as a present-on-admission secondary diagnosis. Hospital CDI programs flag CC opportunities during chart review. Failure to capture this code may leave 30 to 80 percent of the inpatient stay revenue unrealized.
Inpatient DRG Impact, CC
codes Other intraoperative complications of the circulatory system, not elsewhere classified. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.
Medicare LCD Coverage for I97.88
Local Coverage Determinations (LCDs) from CMS MACs that list I97.88 as a covered diagnosis.
Showing top 10 of 114 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing I97.88.
2 Cigna
5 Medicare
CPT Codes Commonly Billed with I97.88
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 33993 CMS LCD: Billing and Coding: Percutaneous Ventricular Assist Device CMS LCD
- 33990 CMS LCD: Billing and Coding: Percutaneous Ventricular Assist Device CMS LCD
- 33991 CMS LCD: Billing and Coding: Percutaneous Ventricular Assist Device CMS LCD
- 33992 CMS LCD: Billing and Coding: Percutaneous Ventricular Assist Device CMS LCD
- 33995 CMS LCD: Billing and Coding: Percutaneous Ventricular Assist Device CMS LCD
- 33997 CMS LCD: Billing and Coding: Percutaneous Ventricular Assist Device CMS LCD
Convert I97.88 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| I97.88 | 9971 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To I97.88
Other codes in section I95-I99 (Other and unspecified disorders of the circulatory system).
ICD-10 I97.88, Billing FAQ
Is ICD-10 code I97.88 billable? +
Yes, I97.88 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Is I97.88 a CC or MCC for inpatient DRG? +
Yes, this code is designated as CC. Documenting as a secondary diagnosis on inpatient claims can shift the DRG to a higher-weighted category.
What CPT codes are commonly billed with I97.88? +
Procedures frequently paired with I97.88 include: 33993, 33990, 33991, 33992, 33995.
What ICD-9 codes does I97.88 map to? +
Per CMS GEMs, I97.88 maps to ICD-9 codes: 9971. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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