ICD-10 E89.823
Billable / Specific CCPostprocedural seroma of an endocrine system organ or structure following other procedure
About ICD-10-CM E89.823
ICD-10-CM code E89.823 represents Postprocedural seroma of an endocrine system organ or structure following other procedure. This is a billable/specific code in the Endocrine, Nutritional, and Metabolic chapter (block E89). The 2026 edition of ICD-10-CM E89.823 became effective on October 1, 2025.
Coding Tips for E89.823
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
E89.823 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 an endocrine system organ or structure following other procedure. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.
Medicare LCD Coverage for E89.823
Local Coverage Determinations (LCDs) from CMS MACs that list E89.823 as a covered diagnosis.
Showing top 10 of 19 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing E89.823.
4 Medicare
CPT Codes Commonly Billed with E89.823
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 E89.823 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 |
|---|---|---|
| E89.823 | 99813 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To E89.823
Other codes in section E89 (Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified).
ICD-10 E89.823, Billing FAQ
Is ICD-10 code E89.823 billable? +
Yes, E89.823 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Is E89.823 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 E89.823 map to? +
Per CMS GEMs, E89.823 maps to ICD-9 codes: 99813. 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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