Blue Cross NC Hip Resurfacing Arthroplasty prior authorization requirements (2026)
What Blue Cross NC generally requires to approve Hip Resurfacing Arthroplasty (CPT 27125, S2118), for Commercial plans. Yes. Blue Cross NC generally requires prior authorization for Hip Resurfacing Arthroplasty (CPT 27125, S2118).
Medical-necessity criteria Blue Cross NC generally applies
Hip Resurfacing - "Hip resurfacing arthroplasty (HRA) is considered medically necessary when ALL the following criteria are met: Active, fit individual; Normal proximal femoral bone geometry and bone quality; Osteonecrosis of the femoral head (less than 50% involvement) with subchondral collapse; Otherwise, eligible for a conventional primary total hip replacement (THR): Functional limitation secondary to hip pathology which interferes with the ability to perform age-appropriate daily activities (unless radiographs show Kellgren-Lawrence grade 4 or Tonnis grade 3); Imaging evidence of significant joint destruction and cartilage loss, defined as Tonnis grade 3, diffuse modified Outerbridge grade III - IV, or Kellgren-Lawrence grade 3 - 4; Physical exam consistent with symptomatic hip arthritis (...) unless radiographs show Kellgren-Lawrence grade 4, diffuse modified Outerbridge grade 4, or Tonnis grade 3; Failure of at least 12 weeks of non-surgical conservative management (unless radiographs show Kellgren-Lawrence grade 4); Likely to outlive a current conventional total hip replacement." [NEEDS CLINICAL SPOT-CHECK]
Commonly required documentation
- Documentation supporting medical necessity and a clearly stated plan of care should be submitted at the time of the request and must include the following components: Clinical notes describing symptom duration and severity, specific functional limitations related to symptoms, and type and duration of all therapeutic measures provided. If conservative management is not appropriate, the reason must be clearly documented. Conservative management must include a combination of strategies to reduce inflammation, alleviate pain, and correct underlying dysfunction, including physical therapy AND at least ONE complementary conservative treatment strategy (physical therapy rendered by a qualified provider, or a supervised home treatment program with initial active instruction by MD/DO/PT and documented compliance
- complementary = anti-inflammatory medications and analgesics, adjunctive medications, intra-articular corticosteroid injection(s), or activity modification / trial period of rest). Failure of conservative management requires ALL the following: Patient has completed a full course of conservative management (as defined above) for the current episode of care
- Worsening of or no significant improvement in signs and/or symptoms upon clinical reevaluation
- More invasive forms of therapy are being considered. Reporting symptom severity - significant pain and functional impairment refer to pain rated at least 3 out of 10 in intensity and associated with inability to perform ADLs and/or IADLs. Imaging reports obtained within the past 12 months describing the degree of cartilage damage: X-ray report or provider interpretation of x-rays that utilizes or can be correlated with the Kellgren-Lawrence grading system of osteoarthritis, and/or MRI report from a radiologist that utilizes or can be correlated with the modified Outerbridge or similar classification system. General Recommendations (strongly recommended, not required): tobacco/nicotine abstinence for at least 6 weeks prior to surgery
- hemoglobin A1C of 8% or less prior to any joint replacement surgery
- BMI equal to or greater than 40 attempt weight reduction prior to surgery.
Situations to verify before submitting
Blue Cross NC may not cover Hip Resurfacing Arthroplasty in these situations. Verify against the current policy rather than assuming a denial:
- {"text":"\"Hip resurfacing is contraindicated when ANY of the following are present: Advanced age; Severe osteoporosis; Renal insufficiency; Known metal hypersensitivity; Inadequate bone stock to support the femoral implant; Femoral neck or head cysts; Severe hip dysplasia; Small or bone-deficient acetabulum.\"","source":"https://guidelines.carelonmedicalbenefitsmanagement.com/joint-surgery-2025-11-15/"}
How to submit
- Method: Prior authorization is delegated to Carelon Medical Benefits Management for spine surgery, joint surgery, interventional pain management, and small joint surgery (Commercial Fully Insured since 2023-10-01; ASO groups only if the group elected the program, effective 2025-01-01 - verify by member ID on the Carelon portal or via the number on the member ID card). Submit through the Carelon Provider Portal via Blue e (24/7, real-time against Carelon clinical guidelines) or by phone at 866-455-8414, Monday-Friday 8 a.m.-6 p.m. ET. Applies in both outpatient and inpatient admission settings. Since 2025-07-01 (Fully Insured only; excludes Medicare Advantage, DSNP, EGWP, FEP and ASO), a request for a hospital-based OUTPATIENT setting for interventional pain or joint-arthroscopy/small-joint procedures gets an additional site-of-care review.
- Portal: Carelon Provider Portal (via Blue e)
- Typical turnaround: about 3 days
Sources & verification
- BindingSource - Carelon Clinical Appropriateness Guidelines: Joint Surgery (Joint Surgery 2025-11-15) · effective 2025-11-15.View
- BindingSource - Blue Cross NC Musculoskeletal Program and Interventional Pain Management effective October 1, 2023 (Carelon delegation) (Provider news 2023-10-01) · effective 2023-10-01.View
Binding = the payer's own policy. Proxy = a public, evidence-based clinical guideline the payer mirrors. Portal-only = the binding criteria are confirmed in the administrator's portal. Always confirm against the payer for the member's specific plan. Last verified 2026-09-20.
Frequently asked questions
Does Blue Cross NC require prior authorization for Hip Resurfacing Arthroplasty?
Yes. Blue Cross NC generally requires prior authorization for Hip Resurfacing Arthroplasty (CPT 27125, S2118).
What does Blue Cross NC require to approve Hip Resurfacing Arthroplasty?
Hip Resurfacing - "Hip resurfacing arthroplasty (HRA) is considered medically necessary when ALL the following criteria are met: Active, fit individual; Normal proximal femoral bone geometry and bone quality; Osteonecrosis of the femoral head (less than 50% involvement) with subchondral collapse; Otherwise, eligible for a conventional primary total hip replacement (THR): Functional limitation seco… Always confirm against the current Blue Cross NC policy.
How long does a Blue Cross NC prior authorization take?
Blue Cross NC typically decides Hip Resurfacing Arthroplasty requests in about 3 days. Timeframes vary; check the payer portal.
Submitting Hip Resurfacing Arthroplasty to Blue Cross NC?
Praxigen checks your clinical note against these criteria before you submit and drafts a policy-cited appeal if it is denied. You review and submit; nothing is sent automatically.