ICD-10 C86.1
Non-Billable HeaderHepatosplenic T-cell lymphoma
About ICD-10-CM C86.1
ICD-10-CM code C86.1 represents Hepatosplenic T-cell lymphoma. This is a non-billable header code in the chapter (block C86). The 2026 edition of ICD-10-CM C86.1 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under C86.1. Per CMS ICD-10-CM Tabular 2026.
- Alpha-beta and gamma delta types
Medicare LCD Coverage for C86.1
Local Coverage Determinations (LCDs) from CMS MACs that list C86.1 as a covered diagnosis.
Showing top 10 of 241 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing C86.1.
1 Medicare
CPT Codes Commonly Billed with C86.1
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.
Convert C86.1 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| C86.1 | 20287 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To C86.1
Other codes in section C81-C96 (Malignant neoplasms of lymphoid, hematopoietic and related tissue).
ICD-10 C86.1, Billing FAQ
Is ICD-10 code C86.1 billable? +
No, C86.1 is a non-billable header code. Use a more specific child code from block C86 when submitting claims.
What other names or terms map to C86.1? +
ICD-10 C86.1 includes: Alpha-beta and gamma delta types.
What ICD-9 codes does C86.1 map to? +
Per CMS GEMs, C86.1 maps to ICD-9 codes: 20287. Useful for legacy data review and historical claim analysis.
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