tci Medicare Compliance & Reimbursement - 2005 Issue 13

LABS: CMS Alters C-Peptide Test Requirement

Lower limit is key.For services performed on or after Dec. 17, 2004, a positive fasting beta cell autoantibody test can serve as an alternative to insulinopenia for the updated C-peptide testing requirement, the Centers for Medicare and Medicaid Services said Feb. 10.Insulinopenia is a fasting C-peptide level less than or equal to 110 percent of the lower limit of normal. Patients with renal insufficiency must have a fasting C-peptide level that is less than or equal to 200 percent of the lower limit. The "lower limit" is contingent on the laboratory's measurement method. To read more...

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