Methodology
Capillary Electrophoresis; Multiplex PCR
Synonyms
Hydrops Fetalis; Alpha-Globin Rare Deletion/Duplication; Hemoglobin Barts Hydrops Fetalis; Alpha-Globin Gene Triplication; Alpha-Globin Gene Number; Hemoglobin H Disease; Alpha-Thalassemia
Specimen Type
Whole Blood
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
Other Reference Test
Lab Test Days
Tuesday
Standard TAT
2-3 Weeks
Collection Information
Specimen Required
3-5 mL Whole Blood
Container Type
Lavender (EDTA)
Collection Instructions
Whole blood collected in a sodium heparin (green-top), lithium heparin (green-top), or an ACD Solution B (yellow-top) tube is also acceptable. Provide family history; For prenatal diagnosis with a fetal specimen: 1) Parents must be documented carriers of one of the mutations tested. 2) Maternal blood or DNA must be available. 3) Contact the laboratory genetic counselor before submission. Provide clinical information (MCV, blood work, age, alpha globin mutations detected, ethnicity).
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Ambient-OK
Specimen Stability
Room Temp: 8 Days; Refrigerated: 8 Days; Frozen: Unacceptable
Rejection Criteria
Samples received frozen
Test Volume Required
5 mL Whole Blood
Minimum Test Volume
3 mL Whole Blood
Comments
Insurance authorization required prior to draw for Outpatients. MJ Approval required for Inpatients.
CPT Codes
81269
Revised
10/1/24 - removed X
Initials
SL