Notes
Update to alternate specimen.
Alternate Specimen: Plasma: Lavender EDTA, green sodium or lithium heparin, Light blue (sodium citrate)
Serum: Red top
Test Details
Mnemonic
HTL12
Ordering Code
3503620
CPT-4 Codes(s)
86790, plus 86689 if repeatedly positive and reflexed to WB confirm, at additional cost