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CPT® 83519, Under Chemistry Procedures

The Current Procedural Terminology (CPT®) code 83519 as maintained by American Medical Association, is a medical procedural code under the range - Chemistry Procedures.

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Summary

The lab analyst measures the analyte in question by radioimmunoassay. Use 83519 for procedures that have no specific analyte assigned code available, but meet the 83519 requirements based on the methodology of the procedure and the analyte.

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Billing to Medicare for physician fee schedule
Example would be: 1) Pt had lab services done for UA reflex w/ culture, and non-gyn cytology, we billed to Medicare with Dx code N390 and CPT code used 88173 used with modifier 90. (CPT is under phys... [ Read More ]
Radioreceptor assay 83519?
Hi all, I have a test for TBII (Thyrotropin-Binding Inhibitory Immunoglobulin). The methodology is radioreceptor assay. The ref lab is using 83519. The CPT code book specifies radioimmunoassay (eg,... [ Read More ]
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