C83.1A: Mantle cell lymphoma, in remission

C83.1A, mantle cell lymphoma, in remission, is listed as a covered diagnosis in 8 Medicare billing and coding articles that apply to 66 HCPCS Level II codes, including J9312 (Injection, rituximab, 10 mg), Q5123 (Injection, rituximab-arrx, biosimilar, (riabni), 10 mg), Q5119 (Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg). 4 of these codes have a 2026 DMEPOS fee schedule amount; E0783 pays $9,917.33 to $11,667.45 (NU) depending on the state. The articles come from 3 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.

HCPCS Level II codes with C83.1A as a covered diagnosis

CodeDescriptionMedicare coverageDMEPOS fee 2026 (state range)Articles listing it
J9312Injection, rituximab, 10 mgSpecial coverage instructions apply—2
Q5123Injection, rituximab-arrx, biosimilar, (riabni), 10 mgCarrier judgment—2
Q5119Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mgCarrier judgment—2
Q5115Injection, rituximab-abbs, biosimilar, (truxima), 10 mgSpecial coverage instructions apply—2
Q0512Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day periodSpecial coverage instructions apply—2
Q0511Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day periodSpecial coverage instructions apply—2
J0585Injection, onabotulinumtoxina, 1 unitSpecial coverage instructions apply—1
J9311Injection, rituximab 10 mg and hyaluronidaseSpecial coverage instructions apply—1
J3590Unclassified biologicsCarrier judgment—1
J8999Prescription drug, oral, chemotherapeutic, nosSpecial coverage instructions apply—1
J8530Cyclophosphamide; oral, 25 mgSpecial coverage instructions apply—1
J8597Antiemetic drug, oral, not otherwise specifiedSpecial coverage instructions apply—1
J8610Methotrexate; oral, 2.5 mgSpecial coverage instructions apply—1
J8498Antiemetic drug, rectal/suppository, not otherwise specifiedSpecial coverage instructions apply—1
Q5110Injection, filgrastim-aafi, biosimilar, (nivestym), 1 microgramSpecial coverage instructions apply—1
Q5125Injection, filgrastim-ayow, biosimilar, (releuko), 1 microgramCarrier judgment—1
Q5101Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgramSpecial coverage instructions apply—1
J1442Injection, filgrastim (g-csf), excludes biosimilars, 1 microgramSpecial coverage instructions apply—1
J1449Injection, eflapegrastim-xnst, 0.1 mgCarrier judgment—1
J1447Injection, tbo-filgrastim, 1 microgramSpecial coverage instructions apply—1
Q5108Injection, pegfilgrastim-jmdb (fulphila), biosimilar, 0.5 mgCarrier judgment—1
Q5111Injection, pegfilgrastim-cbqv (udenyca), biosimilar, 0.5 mgCarrier judgment—1
Q5127Injection, pegfilgrastim-fpgk (stimufend), biosimilar, 0.5 mgCarrier judgment—1
J2506Injection, pegfilgrastim, excludes biosimilar, 0.5 mgCarrier judgment—1
Q5122Injection, pegfilgrastim-apgf (nyvepria), biosimilar, 0.5 mgCarrier judgment—1

41 more codes are listed. See every code with payment by region in Caduvo.

Medicare policy articles listing C83.1A

A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.

Other C83 diagnoses (Non-follicular lymphoma)

Frequently asked questions

Does Medicare cover C83.1A (Mantle cell lymphoma, in remission)?

Medicare covers items and services, not diagnoses. 8 Medicare billing and coding articles list C83.1A as a covered diagnosis for 66 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.

Which HCPCS codes can be billed with ICD-10 C83.1A?

The Level II codes from the policies most specific to this diagnosis are J9312 (Injection, rituximab, 10 mg, 2 articles); Q5123 (Injection, rituximab-arrx, biosimilar, (riabni), 10 mg, 2 articles); Q5119 (Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg, 2 articles); Q5115 (Injection, rituximab-abbs, biosimilar, (truxima), 10 mg, 2 articles); Q0512 (Pharmacy supply fee for oral anti-cancer, oral anti-emetic…, 2 articles). Code choice depends on the item supplied; check each code's descriptor.

What does Medicare pay for equipment billed with C83.1A?

Under the 2026 DMEPOS fee schedule (non-rural state fees): E0783 $9,917.33 to $11,667.45 (NU); E0786 $10,969.75 to $11,380.88 (NU); E0782 $5,200.92 to $6,118.73 (NU); E0785 $572.38 to $673.39 (KF). Medicare pays 80% of the allowed amount after the Part B deductible.

Which Medicare policy articles list C83.1A?

A56389 (Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization); A56380 (Billing and Coding: Rituximab); A59101 (Billing and Coding: Off-label Use of Rituximab and Rituximab Biosimilars), and 5 more articles.

What is ICD-10-CM code C83.1A?

C83.1A is the ICD-10-CM code for mantle cell lymphoma, in remission, in category C83 (Non-follicular lymphoma), chapter 2: Neoplasms.

Next steps

Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.

Chapter 2: Neoplasms · All diagnoses · HCPCS lookup