ICD-10 D89.839
Billable / SpecificCytokine release syndrome, grade unspecified
About ICD-10-CM D89.839
ICD-10-CM code D89.839 represents Cytokine release syndrome, grade unspecified. This is a billable/specific code in the Blood and Blood-forming Organs chapter (block D89). The 2026 edition of ICD-10-CM D89.839 became effective on October 1, 2025.
Medicare LCD Coverage for D89.839
Local Coverage Determinations (LCDs) from CMS MACs that list D89.839 as a covered diagnosis.
Showing top 10 of 41 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing D89.839.
4 Medicare
CPT Codes Commonly Billed with D89.839
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.
Codes Adjacent To D89.839
Other codes in section D80-D89 (Certain disorders involving the immune mechanism).
ICD-10 D89.839, Billing FAQ
Is ICD-10 code D89.839 billable? +
Yes, D89.839 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team