E89.821 ICD-10-CM Code: Postprocedural hematoma of an endocrine system organ or structure following other procedure
E89.821 is not a CMS-HCC payment code. MEAT criteria · RAF Calculator · free HCC coding tools
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FY 2026 Apr update / Endocrine, nutritional and metabolic diseases (E00-E89) / Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified (E89)
E89.821
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidancePostprocedural hematoma of an endocrine system organ or structure following other procedure
Bleeding or blood collection that occurs after surgery on an endocrine gland as a complication of a different type of surgery (not endocrine surgery).
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
HistoricalHistorical
Not used for CY2026 payment
ACA/HHS
N/A—
Not mapped
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
OfficialNo inclusion terms are included in this display for E89.821. Check the code and parent instructions in the Code Book.
Excludes 2
Official- intraoperative complications of endocrine system organ or structure (E36.0-, E36.1-, E36.8)Inherited from E89
Related Codes
Includes
OfficialNo Includes notes are included in this display for E89.821. Check the code and parent instructions in the Code Book.
Excludes 1
Official- transitory endocrine and metabolic disorders specific to newborn (P70-P74)Inherited from E00-E89
Code First
OfficialNo Code First sequencing instructions are included in this display for E89.821. Check the code and parent instructions in the Code Book.
Use Additional
OfficialNo Use Additional Code instructions are included in this display for E89.821. Check the code and parent instructions in the Code Book.
Code Also
OfficialNo Code Also instructions are included in this display for E89.821. Check the code and parent instructions in the Code Book.
Buddy Documentation Tip
Current with CMS: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →
Is E89.821 an HCC code?
No. E89.821 is a billable ICD-10-CM code with no mapping under the current CMS-HCC V28 community payment model, and none under the ESRD, Part D RxHCC, or HHS-HCC models.
- Code
- E89.821
- Description
- Postprocedural hematoma of an endocrine system organ or structure following other procedure
- HCC (V28)
- No CMS-HCC V28 mapping
- RAF reference coefficient
- —
- Billable
- Yes
- Payment year
- 2026
Coder workflow notes
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What This Code Means
E89.821 is the ICD-10-CM diagnosis code for postprocedural hematoma of an endocrine system organ or structure following other procedure. Bleeding or blood collection that occurs after surgery on an endocrine gland as a complication of a different type of surgery (not endocrine surgery). E89.821 sits in the ICD-10-CM chapter for endocrine, nutritional and metabolic diseases (e00-e89), within the section covering postprocedural endocrine and metabolic complications and disorders, not elsewhere classified (e89).
E89.821 is a billable ICD-10-CM code, but no current CMS-HCC V28 community payment mapping is shown, and none under the ESRD, Part D RxHCC, or HHS-HCC models. Do not assign risk adjustment value from this page when no source-backed mapping is shown; verify the applicable model and payment year.
Use this code when the hematoma affects an endocrine organ but resulted from a non-endocrine procedure.
HCC Buddy maintains structured V28 and V24 mapping, source-labeled coefficient references, and MEAT documentation criteria for E89.821 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •Use this code when the hematoma affects an endocrine organ but resulted from a non-endocrine procedure
- •Ensure documentation clearly links the hematoma to a procedure other than endocrine system surgery