ICD-10 I97.640
Billable / Specific CCPostprocedural seroma of a circulatory system organ or structure following a cardiac catheterization
About ICD-10-CM I97.640
ICD-10-CM code I97.640 represents Postprocedural seroma of a circulatory system organ or structure following a cardiac catheterization. This is a billable/specific code in the Circulatory System chapter (block I97). The 2026 edition of ICD-10-CM I97.640 became effective on October 1, 2025.
Coding Tips for I97.640
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
I97.640 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 Postprocedural seroma of a circulatory system organ or structure following a cardiac catheterization. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.
Medicare LCD Coverage for I97.640
Local Coverage Determinations (LCDs) from CMS MACs that list I97.640 as a covered diagnosis.
Showing top 10 of 27 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing I97.640.
4 Medicare
CPT Codes Commonly Billed with I97.640
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert I97.640 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 |
|---|---|---|
| I97.640 | 99813 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To I97.640
Other codes in section I95-I99 (Other and unspecified disorders of the circulatory system).
ICD-10 I97.640, Billing FAQ
Is ICD-10 code I97.640 billable? +
Yes, I97.640 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Is I97.640 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 ICD-9 codes does I97.640 map to? +
Per CMS GEMs, I97.640 maps to ICD-9 codes: 99813. Useful for legacy data review and historical claim analysis.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team