CurrentBlue Cross Blue Shield - Rhode IslandPolicy N/A

Vertebral Fracture Assessment (VFA) with DXA

This policy governs coverage and medical necessity of vertebral fracture assessment performed with dual-energy X-ray absorptiometry (DXA/VFA) for Blue Cross Blue Shield - Rhode Island products, distinguishing BlueCHiP for Medicare and Commercial product stances.

Policy Summary

PayerBlue Cross Blue Shield - Rhode Island

PolicyVertebral Fracture Assessment (VFA) with DXA

Policy CodePolicy N/A

Change TypeNo material changes

Effective DateJan 1, 2015

Next Review Date

Key ActionWhen billing code 77086 for VFA via DXA, document that the procedure was performed with DXA (BlueCHiP for Medicare: covered but not separately reimbursed).

SourceLink

POLICY UPDATE CHANGES

No material clinical or coverage changes in this revision.

77086Referenced CPT

Covered (not reimb.)BlueCHiP for Medicare stance

Not med. necessaryCommercial stance

20–30%Fractures recognized clinically

Genant I–IIIGrading system

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Coverage Criteria

inv-01: Coverage stance by product

Coverage determinations differ by product:

BlueCHiP for Medicare: Screening for vertebral fractures using dual-energy X-ray absorptiometry (DXA), without a bone density study, is covered but not separately reimbursed.

Referenced CPT 77086 covered but not separately reimbursed for BlueCHiP for Medicare.

For Commercial products, vertebral fracture assessment (VFA) performed without an accompanying bone density (DXA) study is not medically necessary. The policy states that screening for vertebral fractures using DXA/DEXA without a bone density study is considered not medically necessary because the evidence is insufficient to determine effects on health outcomes.

VFA is a lateral spine imaging technique performed with DXA densitometry software to assess vertebral fractures at the time of bone mineral density testing. While adding VFA to DXA can augment diagnostic information about fracture risk, there is a lack of direct screening-trial evidence that use of VFA plus DXA (compared with DXA alone) improves health outcomes.

Available evidence consists mainly of diagnostic accuracy studies and subgroup reanalyses; these show variable accuracy but suggest more recent studies report higher diagnostic accuracy of VFA compared with conventional radiographs. Some studies indicate VFA can detect vertebral fractures in patients without osteoporosis who might be candidates for treatment, but there is limited or no direct treatment-outcome data

Covered Indications

inv-12: VFA performed in conjunction with DXA for vertebral fracture detection — 1 top-level node

VFA performed in conjunction with DXA for vertebral fracture detection — covered indication when used with bone mineral density testing:

Indications/Clinical rationale: VFA performed at the time of DXA may be used to detect vertebral fractures with lower radiation exposure than conventional radiographs; vertebral fractures are visually assessed (eg, Genant semiquantitative method) and a deformity of ≥20% loss in height is typically considered a fracture. Diagnostic accuracy evidence is variable and there is a lack of direct screening‑trial evidence demonstrating improved health outcomes when VFA is added to DXA.

VFA identifies fractures at the time of bone mineral density testing; evidence on outcome benefit is insufficient.

Not Covered

The policy explicitly lists CPT code 77086 (Vertebral fracture assessment via DXA) as not medically necessary for Commercial Products when performed without an associated bone density (DXA) study. Billing for VFA alone in Commercial product members may therefore be denied.

Coding

Covered CPT Codes (with limitations)CPT

77086

Vertebral fracture assessment via dual-energy X-ray absorptiometry (DXA)

Provider Actions and Billing Guidance

Prior Authorization
Prior Authorization
Prior authorization: Not applicable for this policy.

Note
(Provider action placeholder)

Documentation Required
Documentation when billing VFA
Documentation and coding: CPT code 77086 (Vertebral fracture assessment via DXA) is covered for BlueCHiP for Medicare but is not separately reimbursed; for Commercial products this code is considered not medically necessary.
Affected CPT: 77086
BlueCHiP for Medicare: covered but not separately reimbursed

Background

Vertebral fractures are common and often clinically unrecognized: only about 20%–30% of vertebral fractures are recognized clinically, with most discovered incidentally on lateral spine imaging. VFA performed with DXA provides lateral spine images at lower radiation exposure than conventional radiographs and can be obtained at the time of bone mineral density testing using specialized software, enabling opportunistic detection of vertebral fractures that increase the risk of subsequent spine or hip fractures independent of bone mineral density.

Definitions

Vertebral fracture assessment (VFA) — definition

TermVertebral fracture assessment (VFA)

DefinitionA lateral spine imaging technique performed with dual-energy X-ray absorptiometry (DXA) densitometers using specialized software to detect vertebral fractures at the time of bone mineral density testing (also called instant vertebral assessment or lateral vertebral assessment).

AcquisitionPerformed as a lateral spine scan using the densitometer's rotating arm; patient may remain supine after DXA or move to left decubitus depending on device.

Radiation/exam advantagesUses lower radiation exposure than conventional lateral spine radiographs and can be done concurrently with DXA, avoiding a separate procedure.

LimitationsDetects vertebral fractures only (does not show other bone or soft tissue abnormalities visible on conventional radiographs); accuracy depends on device and operator training.