What is ICD-10 code D86.9?

D86.9 is the ICD-10-CM diagnosis code for Sarcoidosis, unspecified. Sarcoidosis without specification of which organs or body systems are affected; a general diagnosis of this inflammatory disease. D86.9 is a billable code, meaning it can be reported on a claim as a primary or secondary diagnosis when supported by documentation. D86.9 is part of the FY2026 ICD-10-CM code set published by the CMS National Center for Health Statistics and used on Medicare, Medicaid, and commercial claims in the United States.

Yes. D86.9 is a billable ICD-10-CM code that can be reported on professional and institutional claims as a primary or secondary diagnosis when the provider documentation supports the specific condition described. Billable codes in ICD-10-CM are coded to the highest level of specificity available for the documented diagnosis. D86.9 is current for fiscal year 2026 and remains in the active CMS ICD-10-CM code set published by the National Center for Health Statistics.

Which HCC does D86.9 map to under V28?

D86.9 has no payable CMS-HCC V28 mapping in the final FY2026 CMS file.

What RAF reference is published for D86.9?

D86.9 has no V28 reference coefficient because the final FY2026 source verifies no payable V28 mapping.

What is the V28 vs V24 difference for D86.9?

D86.9 has verified no payable V28 mapping in the final FY2026 source. Select a historical effective period before making any V24 comparison.

What documentation supports D86.9?

Use only when the specific sites of sarcoidosis involvement are not documented or known Query the provider if more specific sarcoidosis codes (D86.0-D86.89) can be determined from available documentation D86.9 is not a CMS-HCC V28 payment code in the verified current source, so MEAT is not the payment hook. Documentation still has to support the diagnosis if you report it.

2026 ICD-10-CM D86.9: Sarcoidosis, unspecified

D86.9 is not a CMS-HCC payment code. MEAT criteria · RAF Calculator · free HCC coding tools

ICD-10-CM Code View

HCC Buddy Code Card

Digital ICD-10 code-book layout with official code detail, always-visible risk models, Code Trumping, and Buddy coding guidance.

Code lookupD86.9

Effective periodFY2026 Apr Update (Apr 1-Sep 30)

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)

D86.9

Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidance

Sarcoidosis, unspecified

Sarcoidosis without specification of which organs or body systems are affected; a general diagnosis of this inflammatory disease.

Overview Risk Models Code Book Documentation Audit Notes Edition comparison

CMS-HCC V28

N/A

—

Not risk-adjusted for this model/period.

Not mapped

CMS-HCC V24

Historical

Not used for standard CY2026 Medicare Advantage payment. Select a historical period to review V24.

Not used for CY2026 payment

ACA/HHS

N/A

—

Not risk-adjusted for this model/period.

Not mapped

ESRD/PACE

N/A

—

Not risk-adjusted for this model/period.

Not mapped

RXHCC

N/A

—

Not risk-adjusted for this model/period.

Not mapped

Code Book Path

Official

D86Sarcoidosis D86.9Sarcoidosis, unspecified

Inclusion Terms

Official

No inclusion terms are included in this display for D86.9. Check the code and parent instructions in the Code Book.

Excludes 2

Official

autoimmune disease (systemic) NOS (M35.9)Inherited from D50-D89
certain conditions originating in the perinatal period (P00-P96)Inherited from D50-D89
complications of pregnancy, childbirth and the puerperium (O00-O9A)Inherited from D50-D89
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Inherited from D50-D89
endocrine, nutritional and metabolic diseases (E00-E88)Inherited from D50-D89
human immunodeficiency virus [HIV] disease (B20)Inherited from D50-D89
injury, poisoning and certain other consequences of external causes (S00-T88)Inherited from D50-D89
neoplasms (C00-D49)Inherited from D50-D89
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)Inherited from D50-D89

Related Codes

Official

D86.0Sarcoidosis of lung D86.1Sarcoidosis of lymph nodes D86.2Sarcoidosis of lung with sarcoidosis of lymph nodes D86.3Sarcoidosis of skin D86.8Sarcoidosis of other sites

Includes

Official

defects in the complement systemInherited from D80-D89
immunodeficiency disorders, except human immunodeficiency virus [HIV] diseaseInherited from D80-D89
sarcoidosisInherited from D80-D89

Excludes 1

Official

autoimmune disease (systemic) NOS (M35.9)Inherited from D80-D89
functional disorders of polymorphonuclear neutrophils (D71-)Inherited from D80-D89
human immunodeficiency virus [HIV] disease (B20)Inherited from D80-D89

Code First

Official

No Code First sequencing instructions are included in this display for D86.9. Check the code and parent instructions in the Code Book.

Use Additional

Official

No Use Additional Code instructions are included in this display for D86.9. Check the code and parent instructions in the Code Book.

Code Also

Official

No Code Also instructions are included in this display for D86.9. Check the code and parent instructions in the Code Book.

Buddy Documentation Tip

HCC Buddy guidance

Use only when the specific sites of sarcoidosis involvement are not documented or known

Query the provider if more specific sarcoidosis codes (D86.0-D86.89) can be determined from available documentation

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 D86.9 an HCC code?

No. D86.9 is a billable ICD-10-CM code with no mapping under the CMS-HCC V28 or V24 community payment models, and none under the ESRD, Part D RxHCC, or HHS-HCC models.

Code: D86.9
Description: Sarcoidosis, unspecified
HCC (V28): No CMS-HCC V28 mapping
RAF reference coefficient: —
Billable: Yes
Payment year: 2026

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

D86.9 is the ICD-10-CM diagnosis code for sarcoidosis, unspecified. Sarcoidosis without specification of which organs or body systems are affected; a general diagnosis of this inflammatory disease. D86.9 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).

D86.9 is a billable ICD-10-CM code, but the current payload does not show a mapping under the CMS-HCC V28 or V24 community payment models, 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 only when the specific sites of sarcoidosis involvement are not documented or known.

HCC Buddy maintains structured V28 and V24 mapping, source-labeled coefficient references, and MEAT documentation criteria for D86.9 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Coding Tips

•Use only when the specific sites of sarcoidosis involvement are not documented or known
•Query the provider if more specific sarcoidosis codes (D86.0-D86.89) can be determined from available documentation