D86.84 – Sarcoid pyelonephritis

ICD-10-CM 2027 diagnosis code · Certain disorders involving the immune mechanism

Billable code

ICD-10-CM code D86.84

Code: D86.84 (claims format: D8684)
Description: Sarcoid pyelonephritis
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 3. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Block: D80-D89 Certain disorders involving the immune mechanism
Parent codes: D86 › D86.8

Notes for D86.84

Applicable to:

Tubulo-interstitial nephropathy in sarcoidosis

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block D80-D89

Includes:

defects in the complement system
immunodeficiency disorders, except human immunodeficiency virus [HIV] disease
sarcoidosis

Excludes1 (not coded here):

autoimmune disease (systemic) NOS (M35.9)
functional disorders of polymorphonuclear neutrophils (D71-)

Excludes2 (not included here):

human immunodeficiency virus [HIV] disease (B20)

Index terms for D86.84

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in D86.8

D86.81 – Sarcoid meningitisBillable
D86.82 – Multiple cranial nerve palsies in sarcoidosisBillable
D86.83 – Sarcoid iridocyclitisBillable
D86.85 – Sarcoid myocarditisBillable
D86.86 – Sarcoid arthropathyBillable
D86.87 – Sarcoid myositisBillable
D86.89 – Sarcoidosis of other sitesBillable

Frequently asked questions

What is ICD-10 code D86.84?

D86.84 is the ICD-10-CM code for sarcoid pyelonephritis, in the block D80-D89 (Certain disorders involving the immune mechanism).

Is D86.84 a billable code?

Yes. D86.84 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does D86.84 belong to?

It belongs to category D86 – Sarcoidosis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.