Test Code BFSPGR Specific Gravity, Body Fluid
Additional Codes
St. Luke's Compendium Code (Iatric): L600.3200
Performing Laboratory
St. Lukes Hospital Laboratory
Methodology
Refractometry
Specimen Requirements
1 mL of body fluid in a green-top (lithium heparin) plasma gel
tube(s), a plain syringe(s), or a serum gel tube(s). Send specimen
refrigerated.
Note: 1. If submitting syringe, remove
needle and cap syringe.
2. Indicate specimen source on request form.
Reference Values
No established reference values
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
CPT: 84315
LOINC: 2964-5