D47.Z2: Castleman disease
D47.Z2, castleman disease, is listed as a covered diagnosis in 4 Medicare billing and coding articles that apply to 37 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). 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 D47.Z2 as a covered diagnosis
| Code | Description | Medicare coverage | DMEPOS fee 2026 (state range) | Articles listing it |
|---|---|---|---|---|
| J9312 | Injection, rituximab, 10 mg | Special coverage instructions apply | — | 1 |
| Q5123 | Injection, rituximab-arrx, biosimilar, (riabni), 10 mg | Carrier judgment | — | 1 |
| Q5119 | Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg | Carrier judgment | — | 1 |
| Q5115 | Injection, rituximab-abbs, biosimilar, (truxima), 10 mg | Special coverage instructions apply | — | 1 |
| J0461 | Injection, atropine sulfate, 0.01 mg | Special coverage instructions apply | — | 1 |
| J0153 | Injection, adenosine, 1 mg (not to be used to report any adenosine phosphate compounds) | Special coverage instructions apply | — | 1 |
| J1250 | Injection, dobutamine hydrochloride, per 250 mg | Special coverage instructions apply | — | 1 |
| J0280 | Injection, aminophyllin, up to 250 mg | Special coverage instructions apply | — | 1 |
| J1245 | Injection, dipyridamole, per 10 mg | Special coverage instructions apply | — | 1 |
| Q0512 | Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period | Special coverage instructions apply | — | 1 |
| Q0511 | Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period | Special coverage instructions apply | — | 1 |
| Q0162 | Ondansetron 1 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at the time of chemotherapy treatment, not to exceed a 48 hour dosage regimen | Special coverage instructions apply | — | 1 |
| J8540 | Dexamethasone, oral, 0.25 mg | Special coverage instructions apply | — | 1 |
| Q0166 | Granisetron hydrochloride, 1 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at the time of chemotherapy treatment, not to exceed a 24 hour dosage regimen | Special coverage instructions apply | — | 1 |
| J8501 | Aprepitant, oral, 5 mg | Special coverage instructions apply | — | 1 |
| Q0164 | Prochlorperazine maleate, 5 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at the time of chemotherapy treatment, not to exceed a 48 hour dosage regimen | Special coverage instructions apply | — | 1 |
| Q0163 | Diphenhydramine hydrochloride, 50 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at time of chemotherapy treatment not to exceed a 48 hour dosage regimen | Special coverage instructions apply | — | 1 |
| J8655 | Netupitant 300 mg and palonosetron 0.5 mg, oral | Special coverage instructions apply | — | 1 |
| J8670 | Rolapitant, oral, 1 mg | Special coverage instructions apply | — | 1 |
| Q0155 | Dronabinol (syndros), 0.1 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at the time of chemotherapy treatment, not to exceed a 48 hour dosage regimen | Special coverage instructions apply | — | 1 |
| Q0161 | Chlorpromazine hydrochloride, 5 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at the time of chemotherapy treatment, not to exceed a 48 hour dosage regimen | Carrier judgment | — | 1 |
| Q0167 | Dronabinol, 2.5 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at the time of chemotherapy treatment, not to exceed a 48 hour dosage regimen | Special coverage instructions apply | — | 1 |
| Q0169 | Promethazine hydrochloride, 12.5 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at the time of chemotherapy treatment, not to exceed a 48 hour dosage regimen | Special coverage instructions apply | — | 1 |
| Q0173 | Trimethobenzamide hydrochloride, 250 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at the time of chemotherapy treatment, not to exceed a 48 hour dosage regimen | Special coverage instructions apply | — | 1 |
| Q0175 | Perphenazine, 4 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at the time of chemotherapy treatment, not to exceed a 48 hour dosage regimen | Special coverage instructions apply | — | 1 |
12 more codes are listed. See every code with payment by region in Caduvo.
Medicare policy articles listing D47.Z2
- A59101: Billing and Coding: Off-label Use of Rituximab and Rituximab Biosimilars (Wellpoint Federal (MAC - Part A, MAC - Part B); 4 Level II codes). LCD with the same title: L38920, L39297
- A54768: Billing and Coding: Cardiac Blood Pool Imaging (Multiple Gated Acquisition Scanning- MUGA, Ventriculography) When Performed in Conjunction with Cardiotoxic Chemotherapy (Palmetto GBA (MAC - Part A, MAC - Part B); 5 Level II codes)
- A52480: Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article (CGS Administrators, LLC (DME MAC) Noridian Healthcare Solutions, LLC (DME MAC); 19 Level II codes). LCD with the same title: L33827
- A56612: Billing and Coding: CT of the Head (Palmetto GBA (MAC - Part A, MAC - Part B); 9 Level II codes). LCD with the same title: L34417
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 D47 diagnoses (Other neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue)
- D47.Z1 — Post-transplant lymphoproliferative disorder (PTLD)
- D47.Z9 — Other specified neoplasms of uncertain behavior of lymphoid…
- D47.01 — Cutaneous mastocytosis
- D47.02 — Systemic mastocytosis
- D47.09 — Other mast cell neoplasms of uncertain behavior
- D47.1 — Chronic myeloproliferative disease
- D47.3 — Essential (hemorrhagic) thrombocythemia
Frequently asked questions
Does Medicare cover D47.Z2 (Castleman disease)?
Medicare covers items and services, not diagnoses. 4 Medicare billing and coding articles list D47.Z2 as a covered diagnosis for 37 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 D47.Z2?
The Level II codes from the policies most specific to this diagnosis are J9312 (Injection, rituximab, 10 mg, 1 article); Q5123 (Injection, rituximab-arrx, biosimilar, (riabni), 10 mg, 1 article); Q5119 (Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg, 1 article); Q5115 (Injection, rituximab-abbs, biosimilar, (truxima), 10 mg, 1 article); J0461 (Injection, atropine sulfate, 0.01 mg, 1 article). Code choice depends on the item supplied; check each code's descriptor.
Which Medicare policy articles list D47.Z2?
A59101 (Billing and Coding: Off-label Use of Rituximab and Rituximab Biosimilars); A54768 (Billing and Coding: Cardiac Blood Pool Imaging (Multiple Gated Acquisition Scanning- MUGA, Ventriculography) When Performed in Conjunction with Cardiotoxic Chemotherapy); A52480 (Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article), and 1 more article.
What is ICD-10-CM code D47.Z2?
D47.Z2 is the ICD-10-CM code for castleman disease, in category D47 (Other neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue), chapter 2: Neoplasms.
Next steps
- Run a reimbursement report for a device billed under J9312
- Watch J9312 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J9312
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.