Methodology
Osmotic Gradient Ektacytometry
Synonyms
EKTA, EKTACYTOMETRY, HHAP, HAP, HEMOLYTIC ANEMIA PROFILE, OSMOTIC GRADIENT EKTACYTOMETRY, OSMOSCAN
Specimen Type
Whole Blood
Performing Lab
Cincinnati Children's Erythrocyte Diagnostic Laboratory
Epic ID
Other Reference Test
Lab Test Days
Monday-Friday
Standard TAT
14 Days
Collection Information
Specimen Required
3ml Whole Blood
Container Type
Lavender (EDTA)
Collection Instructions
Must be refrigerated withing 4 hours of collection. Sample can only be collected Monday-Thursday 0800-1300 only, no weekends or holidays.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-ONLY
Specimen Stability
Room Temp: 4 hours; Refrigerated: 24 Hours; Frozen: Unacceptable
Test Volume Required
3 ml Whole Blood
Minimum Test Volume
1.5 ml Whole Blood
Processing Instructions
Sample must be refrigerated within 4 hours of collection. Must be received in testing laboratory within 24 hours. Ship with 2-3 frozen ice packs. Put a barrier between the ice packs and the specimen. Avoid having the specimen directly touching the Ice pack. Control sample needs to be collected, label sample "CONTROL". A stained patient slide should also be shipped with the sample. Sample can only be collected Monday-Thursday 0800-1300 only, no weekends or holidays. Fill out Cincinnati Children's ERYTHROCYTE DIAGNOSTIC LABORATORY requisition form and send with sample refrigerated.
Included Tests
Omin, Elmax, Ohyp
CPT Codes
85547, 85557
Revised
8/28/26
Initials
IM