D86.81 ICD-10-CM Code: Sarcoid meningitis
HCC Buddy Code Card
Digital ICD-10 code-book layout with official code detail, always-visible risk models, Code Trumping, and Buddy coding guidance.
FY 2026 Apr update / Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89) / Certain disorders involving the immune mechanism (D80-D89)
D86.81
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceSarcoid meningitis
Sarcoidosis affecting the brain and its protective membranes, causing inflammation that can lead to headaches, neurological symptoms, or meningitis-like symptoms.
CMS-HCC V28
00
RAF 0
CMS-HCC V24
00
RAF 0
ACA/HHS
00
RAF 0
ESRD/PACE
00
RAF 0
RXHCC
00
RAF 0
Code Trumping
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Code Book Path
Inclusion Terms
OfficialICD-10-CM does not list inclusion terms for D86.81 in this effective period.
Excludes 2
OfficialICD-10-CM does not list Excludes 2 notes for D86.81 in this effective period.
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for D86.81 in this effective period.
Excludes 1
OfficialICD-10-CM does not list Excludes 1 notes for D86.81 in this effective period.
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for D86.81 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for D86.81 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for D86.81 in this effective period.
Buddy Documentation Tip
Last updated: FY2026 ICD-10-CM Apr update, Apr 1, 2026 through Sep 30, 2026. CMS-HCC V28 is 100% phased in for payment year 2026.
Is D86.81 an HCC code?
No. D86.81 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
Coder workflow notes
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This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
D86.81 is the ICD-10-CM diagnosis code for sarcoid meningitis. Sarcoidosis affecting the brain and its protective membranes, causing inflammation that can lead to headaches, neurological symptoms, or meningitis-like symptoms. D86.81 sits in the ICD-10-CM chapter for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (d50-d89), within the section covering certain disorders involving the immune mechanism (d80-d89).
D86.81 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.
Document the specific neurological manifestations (meningitis, cranial nerve involvement, etc.).
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for D86.81 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •Document the specific neurological manifestations (meningitis, cranial nerve involvement, etc.)
- •Code any associated complications such as hydrocephalus or seizures separately