Microscopic examination of lysed, centrifuged, and stained blood
Edit Date:
3/17/2009
Performed:
Daily
Released:
24 hours
CPT Code:
87177
Specimen Collection Details
Collection:
One 4 mL lavender top tube (EDTA). Also acceptable: Any anticoagulated specimen, such as one 4 mL green top tube (heparin), or one 4.5 light blue top tube (sodium citrate).
Handling:
Keep as whole blood and send to the laboratory within 72 hours.
Stability:
Unstable frozen.
Standard Volume:
3 mL whole blood.
Minimum Volume:
0.5 mL whole blood.
Transport:
Ambient or refrigerated.
Comments:
Microfilaria species, i.e., Dirofilaria and Dipetalonema, are distinguished by size, motility, and morphologic features.