CPT 82306: Vitamin D, 25-Hydroxy
Vitamin D; 25 hydroxy, includes fraction(s), if performed. The standard test for assessing vitamin D status.
Why CPT 82306 Claims Get Denied
Claims billed under CPT 82306 are frequently denied or downcoded for the following reasons. Understanding these patterns helps your practice reduce denial rates and recover revenue faster.
Not medically necessary for screening without risk factors
Frequency limit exceeded (more than once per year)
Insufficient diagnosis to support testing
Some payers consider routine screening experimental
Billing Tips for CPT 82306
Many payers limit vitamin D testing to patients with risk factors or documented deficiency. Use a specific diagnosis code (E55.9 for vitamin D deficiency, M81.0 for osteoporosis). Medicare Local Coverage Determinations vary — check your MAC's LCD for covered indications.
Documentation Requirements
To support a clean claim for CPT 82306, your clinical documentation should include:
Clinical indication for testing (risk factors, symptoms, monitoring)
Provider order
Results with interpretation
Treatment plan for deficiency if applicable
Reduce CPT 82306 Denials by 60%
RediClaim's pre-submission scrubber catches documentation gaps and coding errors before you submit, while the appeal generator handles denials that slip through.