Denosumab (multiple brands) — Prior Authorization and Coverage Criteria
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Defines prior authorization, dosing limits, and medical necessity criteria for denosumab products (various brands/biosimilars) for EOCCO members; applies to providers requesting coverage/authorization for these agents.
No material clinical or coverage changes in this revision.
Coverage Criteria for Denosumab
Osteoporosis (Men and Women)
Covered when ALL of the following are met
Members with very high fracture risk are exempt from prior bisphosphonate trial requirements
Glucocorticoid-Induced Osteoporosis
Covered when ALL of the following are met
Cancer therapy–related osteoporosis (prostate, breast)
Covered when ALL of the following are met
Systemic Mastocytosis with bone involvement
Covered when ALL of the following are met
Universal Criteria
Covered when ALL of the following universal criteria are met:
Prevention of skeletal-related events
Covered when ALL of the following are met:
May also be used in combination with primary myeloma therapy for certain plasma cell disorders.
Giant Cell Tumor of the Bone
Covered when ALL of the following are met:
Hypercalcemia of Malignancy
Covered when ALL of the following are met:
Renewal / Continuation Criteria
Renewal/response criteria and continuation when the following are met:
Covered Diagnoses
Covered diagnoses (per Appendix 1)
See full ICD-10 list in Appendix 1.
Medicare Coverage
Medicare Part B considerations
Per the policy universal criteria, denosumab must not be used in combination with other denosumab products, bisphosphonates, romosozumab, or parathyroid hormone analogs/related peptides. This restriction is included as a required condition under the universal criteria and applies before authorizing treatment.
The universal criteria reiterate that concurrent use is excluded: members must not receive other denosumab products, bisphosphonates, romosozumab, or parathyroid hormone analogs/related peptides at the same time as the requested agent.
The policy notes that the miscellaneous HCPCS code J3590 (Unclassified biologics) is to be discontinued on 07/01/2026, indicating that J3590 should not be used for denosumab billing after that date and covered denosumab products should be billed with their assigned J‑ or Q‑codes.
Medicare Part B coverage for outpatient denosumab products is governed by applicable NCDs, LCDs, and LCAs; providers must comply with those Medicare determinations where relevant and may consult the CMS coverage database or the referenced Local Coverage Article for Part B billing and eligibility details.
The policy consistently prohibits combination therapy: under universal criteria members will not receive denosumab in combination with other denosumab products, bisphosphonates, romosozumab, or parathyroid hormone analogs/related peptides, and this exclusion is enforced as a condition for authorization.
There are no explicit 'not medically necessary' statements
Coding, Billing Codes, and Diagnosis Lists
| HCPCS unit | Specified max billable units per product and indication (see dosing limits): Prolia/Bildyos/Boncresa/Bosaya/Conexxence/Denosumab-dssb/Enoby/Jubbonti/Ospomyv/Osvyrti/Stoboclo: 60 billable units every 6 months; Xgeva/Aukelso/Bilprevda/Bomyntra/Jubereq/Osenvelt/Oziltus/Wyost/Xbryk/Xtrenbo: Giant cell tumor & hypercalcemia loading 120 units days 1,8,15,29 and maintenance 120 units every 4 weeks; Bone metastases & multiple myeloma: 120 billable units every 4 weeks; Denosumab-bmwo & Denosumab-bnht: Osteoporosis/systemic mastocytosis 60 units every 6 months; oncology dosing as above. |
| J0897 | Injection, denosumab, 1 mg; 1 billable unit = 1 mg |
| HCPCS unit | Prolia: 60 billable units every 6 months (osteoporosis); Xgeva: 120 billable units every 4 weeks (oncology) |
| Q5158 | Injection, denosumab-bnht (bomyntra/conexxence), biosimilar, 1 mg; 1 billable unit = 1 mg |
| Q5136 | Injection, denosumab-bbdz (jubbonti/wyost), biosimilar, 1 mg; 1 billable unit = 1 mg |
| Q5157 | Injection, denosumab-bmwo (stoboclo/osenvelt), biosimilar, 1 mg; 1 billable unit = 1 mg |
| Q5158 | Injection, denosumab-bnht (bomyntra/conexxence), biosimilar, 1 mg; 1 billable unit = 1 mg |
| Q5159 | Injection, denosumab-dssb (ospomyv/xbryk), biosimilar, 1 mg; 1 billable unit = 1 mg |
| Q5161 | Injection, denosumab-kyqq (aukelso/bosaya), biosimilar, 1 mg; 1 billable unit = 1 mg |
| Q5162 | Injection, denosumab-nxxp (bildyos/bilprevda), biosimilar, 1 mg; 1 billable unit = 1 mg |
| J3590 | Unclassified biologics (Discontinue use on 07/01/2026) |
| Q5167 | Injection, denosumab-qbde (enoby/xtrenbo), biosimilar, 1 mg; 1 billable unit = 1 mg (Effective 07/01/2026) |
| Q5166 | Injection, denosumab-desu (osvyrti/jubereq), biosimilar, 1 mg; 1 billable unit = 1 mg (Effective 07/01/2026) |
| Q5171 | Injection, denosumab-mobz (boncresa), biosimilar, 1 mg; 1 billable unit = 1 mg (Effective 07/01/2026) |
| 55513-0710-xx | Prolia 60 mg/1 mL single-dose prefilled syringe NDC pattern |
| 61314-0240-xx | Jubbonti 60 mg/1 mL single-dose prefilled syringe NDC pattern |
| 83457-0012-xx | Ospomyv 60 mg/1 mL single-dose prefilled syringe NDC pattern |
| 55513-0730-xx | Xgeva 120 mg/1.7 mL single-dose vial NDC pattern |
| 61314-0228-xx | Wyost 120 mg/1.7 mL single-dose vial NDC pattern |
| 71202-0014-xx | Xbryk 120 mg/1.7 mL single-dose vial NDC pattern |
| C50.011-C50.929 | Malignant neoplasms of breast |
| C50.A0-C50.A2 | Malignant inflammatory neoplasm of breast |
| C61 | Malignant neoplasm of prostate |
| C94.30-C94.32 | Mast cell leukemia (various remission statuses) |
| C96.20-C96.29 | Malignant mast cell neoplasms |
| D05.10-D05.92 | Intraductal carcinoma in situ of breast (various) |
| D47.02 | Systemic mastocytosis |
| M80.00XA- | Age-related osteoporosis with current pathological fracture |
| M80.8B2A- M80.8B2S | Osteoporosis with current pathological fracture |
| M80.8B9A- | Osteoporosis with current pathological fracture |
| A52399 | Local Coverage Article: Billing and Coding: Denosumab (Prolia®, Xgeva®, etc.) |
Prior Authorization, Documentation, and Provider Requirements
Authorization duration
Prior authorization is required for denosumab and will be issued initially for 12 months (365 days); renewals may be approved every 12 months (365 days) thereafter.
Prior authorization required when universal and indication criteria met
Submit a prior authorization request when the member meets the universal criteria and the indication‑specific medical necessity criteria (including documentation of calcium 1,000 mg and vitamin D ≥400 IU supplementation, absence of FDA‑labeled contraindications, and avoidance of concurrent denosumab/bisphosphonate/romosozumab/parathyroid hormone analog therapy).
Prior authorization considered (NQTL assessment)
The NQTL Factor Checklist was used to design utilization management for denosumab; prior authorization is considered based on indication, safety/efficacy, and drug cost per that assessment.
PA applied per NQTL assessment
Prior authorization is applied taking into account the NQTL assessment factors — indication, safety/efficacy, and cost — and may be required for coverage decisions per the checklist.
Bisphosphonate trial (12 months) required for many osteoporosis indications
For many osteoporosis indications, document a trial and inadequate response or intolerance to BOTH oral and IV bisphosphonates after a minimum 12‑month trial unless the member meets very high fracture‑risk exemptions or has documented contraindications.
- Minimum 12‑month trial on oral or IV bisphosphonates (e.g., alendronate, risedronate, ibandronate, zoledronic acid) or documented contraindication/intolerance to BOTH forms.
- Members with very high fracture risk are exempt from the bisphosphonate trial requirement.
Consider switching to oral/IV bisphosphonate after specified durations
For osteoporosis and glucocorticoid‑induced osteoporosis, the policy directs that after specified treatment durations clinicians should consider changing therapy to an oral or IV bisphosphonate for members with low‑to‑moderate risk unless contraindicated or intolerant.
- Osteoporosis: after 5 years obtain repeat DXA and consider change to oral/IV bisphosphonate for low‑to‑moderate risk unless contraindicated.
- Glucocorticoid‑induced osteoporosis: after 2 years obtain repeat DXA and consider change to oral/IV bisphosphonate for low‑to‑moderate risk unless contraindicated.
Step therapy may be considered per NQTL checklist
The NQTL assessment indicates utilization management strategies such as step therapy may be considered when designing PA rules due to indication, safety/efficacy, and drug cost.
No explicit step therapy requirements in these sections
No explicit step therapy rules are specified in this portion of the policy; the document notes consideration of utilization management but does not list specific step therapy requirements here.
Clinical documentation required for osteoporosis indications
Provide clinical documentation to support osteoporosis indications: DXA T‑score results (≤‑2.5 or specified ranges), history of fragility or other qualifying fractures, FRAX 10‑year probabilities, and evidence of prior bisphosphonate treatment and response.
- DXA T‑score by site (lumbar spine, femoral neck, total hip, or 33% radius) per policy thresholds.
- History of fragility fracture (hip, spine) or fracture types specified for T‑score between ‑1.0 and ‑2.5.
- FRAX 10‑year probability for major fracture ≥20% or hip ≥3%.
- Documentation of prior bisphosphonate trial and effectiveness or ineffective response (see definition of ineffective response).
Document glucocorticoid dose and duration for GIOP
For glucocorticoid‑induced osteoporosis, document the current or planned systemic glucocorticoid dose (prednisone equivalent) and expected duration (≥2.5 mg/day and expected ≥3 months) plus fracture‑risk evidence as required.
- Document daily prednisone‑equivalent dose (≥2.5 mg) and planned duration ≥3 months.
- Provide fracture risk factors or FRAX adjustments as applicable (see glucocorticoid dose adjustments in policy).
Document prior trial and inadequate response/contraindication to zoledronic acid or bisphosphonates
When prior bisphosphonate use or zoledronic acid is required (e.g., SRE prevention or prior therapy requirements), include documentation of the prior trial and inadequate response, contraindication, or intolerance — for SRE prevention a trial of zoledronic acid ≥3 months is expected; for hypercalcemia of malignancy a ≥7‑day IV bisphosphonate trial is referenced.
- For SRE prevention: documentation of ≥3 month trial of zoledronic acid unless inadequate response or contraindication.
- For hypercalcemia of malignancy: evidence of ≥7 day trial of IV bisphosphonates or documented contraindication/intolerance.
- Document inadequate response per policy (decline in T‑score or new fracture while on bisphosphonate).
Document exact product name or NDC
Include the exact product identification (brand name and/or NDC) for the denosumab product requested to support medical necessity and correct billing (policy lists multiple NDCs and product names).
- Provide NDC or exact drug name (e.g., Prolia 60 mg syringe NDC 55513‑0710‑xx or Xgeva 120 mg vial NDC 55513‑0730‑xx) as applicable.
Use Appendix 1 ICD‑10 diagnosis codes to support medical necessity
Support the request with the appropriate ICD‑10 diagnosis code from Appendix 1 (examples include M80.*, M81.*, and relevant malignancy codes C00‑C99) to demonstrate medical necessity.
Document calcium and vitamin D supplementation and FDA contraindications
Document that the member is receiving calcium (1,000 mg) and vitamin D (at least 400 IU) daily, or document an FDA‑labeled contraindication (e.g., hypocalcemia); failure to document supplementation or contraindications may render the request incomplete or subject to denial.
- Document daily calcium 1,000 mg and vitamin D ≥400 IU supplementation, or record a documented contraindication to supplementation.
- Document absence of FDA‑labeled contraindications such as hypocalcemia and pregnancy status in biologic females of child‑bearing potential.
Risk of denial if supplementation, contraindication, or concurrent‑use documentation is missing
Requests missing documentation that the member is receiving calcium/vitamin D as necessary, or lacking documentation of FDA contraindications (e.g., hypocalcemia), or documenting concurrent use with excluded bone agents may be denied or considered incomplete.
Utilization review/PA may be applied per NQTL checklist
Utilization review or prior authorization may be applied based on the NQTL checklist conclusions; providers should expect PA and utilization management to be used where indicated by the checklist.
NQTL considerations inform prior authorization design
Prior authorization decisions and utilization management reflect NQTL considerations (indication, safety/efficacy, and drug cost); PA may limit duration or extent of benefit consistent with the checklist.
Initial Therapy / Start of Treatment
Initial approval
Initial approval criteria
Prior authorization initial validity is 12 months (365 days)
Initial Therapy - Oncology Indications
Initial use conditions for oncology-related indications
Initial Therapy
Renewal and Continuation Criteria
Renewal authorization
Renewal/continuation rules
Renewal Criteria
Criteria for renewal of prior authorization
DXA timing specified for osteoporosis (after 5 years) and glucocorticoid-induced osteoporosis (after 2 years)
Continuation Therapy
Step Therapy and Trial Requirements
| Step | Requirement |
|---|---|
| 1 | Trial of oral or IV bisphosphonate for a minimum of 12 months OR documented contraindication or intolerance to BOTH oral and IV bisphosphonates (unless member is very high fracture risk). |
| Step | Requirement |
|---|---|
| 1 | Prior trial of zoledronic acid (≥3 months) or another bisphosphonate unless there is documented contraindication or intolerance. For osteoporosis/glucocorticoid‑induced osteoporosis, consider change to oral or IV bisphosphonate for low‑to‑moderate risk after specified durations (see renewal guidance). |
| NQTL Factor | Implication for Utilization Management |
|---|---|
| Indication, safety/efficacy, cost | NQTL checklist documents consideration of utilization management (e.g., prior authorization or step therapy) based on indication, safety/efficacy, and drug cost; PA may be applied accordingly. |
| Step | Details |
|---|---|
| 1 | No specific step therapy rules or additional step orderings are provided in the cited document sections. |
Quantity Limits and Dosing Constraints
Site of Care and Administration
Meet Site of Care specialty infusion program requirements
Members in scope for the Site of Care specialty infusion program must meet all program requirements for coverage under that program.
Administer subcutaneously by a health care provider per dosing schedule
Denosumab administration must be given subcutaneously by a health care provider per the dosing schedule specified in the policy.
Follow CMS/NCD/LCD/LCA rules for Medicare Part B outpatient administration
For Medicare Part B outpatient administration, site‑specific CMS NCD/LCD/LCA rules apply and providers must follow applicable Medicare coverage determinations for Part B claims.
Biosimilars and Product Listings
Policy lists covered branded and biosimilar denosumab products
The policy enumerates covered branded and biosimilar denosumab products (e.g., Prolia, Xgeva and multiple biosimilars listed in Appendix 1).
Biosimilar Q‑codes listed alongside J0897 (supporting coverage)
The policy includes multiple references listing biosimilar HCPCS Q‑codes alongside J0897 to support coverage of biosimilar denosumab products.
Additional biosimilar Q‑codes and code change notes documented
Additional biosimilar Q‑codes and transitioning codes (including J3590 discontinuation) are documented to reflect covered billing options and upcoming code changes.
Multiple branded/biosimilar products listed; no preference order stated
The policy lists multiple branded and biosimilar denosumab products with associated Q‑codes and NDCs (e.g., Prolia / Xgeva family), and does not state any explicit preference order among them.
Many branded and biosimilar product names listed; no stated preferencing
Appendix 1 and coding sections list numerous brand and biosimilar product names (Prolia, Xgeva, Jubbonti, Ospomyv, Bomyntra, etc.) without an explicit preferencing rule in the policy text.
Background
Denosumab (RANKL inhibitor monoclonal antibody marketed as Prolia, Xgeva, and multiple biosimilars) is indicated in the policy for multiple bone-related conditions including treatment of osteoporosis in men and women (to reduce fracture risk), prevention of skeletal‑related events in patients with bone metastases or multiple myeloma, management of giant cell tumor of bone, treatment of hypercalcemia of malignancy, glucocorticoid‑induced osteoporosis, and use in systemic mastocytosis with bone involvement. The policy also notes monitoring considerations (e.g., surveillance for hypocalcemia and CKD‑MBD in advanced kidney disease) and references clinical guidance sources.
Definitions and Key Terms
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