Reimbursement for Analyzing Tear Osmolarity (TearLab)

This monograph describes reimbursement for analyzing tear osmolarity using the TearLab Osmolarity System.

The TearLab Osmolarity System measures the osmolarity of human tears to aid in the diagnosis and management of dry eye disease (DED) which is highly correlated with hyperosmolarity of tears. Other osmometers, such as freezing point depression osmometer or vapor pressure osmometer, are larger, more expensive devices primarily intended for research laboratories and not practical for clinical practice primarily because they require a much bigger sample of fluid for testing.

Much of the information is taken from official publications of the Medicare program.  However, the reader is encouraged to check with the local Medicare Administrative Contractor (MAC) for additional information and instructions.  In the case of other third party payers, we have used the coding concepts contained in CPT and published by the American Medical Association; diagnosis codes are from ICD-9-CM and ICD-10-CM.  Documentation of the test, the medical rationale for it, and then proper interpretation are key to reimbursement – so we describe the required elements in detail. 

Since economic analyses are a necessary part of any practice management decision, we incorporated Medicare’s payment rates, as well as utilization rates.


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Provided Courtesy of TearLab Corporation


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