TEST DESCRIPTION
TEST CODE
HOMO
CPT CODE
83090
EXPECTED TURNAROUND TIME
2-5 days
(TAT is the interval starting when a specimen and order are received in the laboratory and ends with release of the test result.) In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary. In the event that reflex testing is performed TAT turnaround times can be extended.
TEST INCLUDES
Homocysteine
SYNONYMS
NA
COLLECTION
SPECIMEN
Whole Blood
COLLECTION CONTAINERS
Gold top tube (SST)
COLLECTION AMOUNTS
Preferred: 2.0mL
Minimum: 1.0mL
REJECTION CRITERIA
Specimens not placed on ice after collection are unacceptable.
PROCESSING
SPECIMEN PROCESSING INSTRUCTIONS
Place specimens on ice after collection and prior to processing. Centrifuge ASAP to separate serum or plasma from red blood cells. For specimens collected in NON-GEL barrier tubes transfer serum or plasma into transport tube immediately. Refrigerate.
PROCESSING SPECIMENS
Plasma
PROCESSED AMOUNTS
Preferred: 1.0mL
Minimum: 0.5mL
SHIPPING/TRANSPORT & STORAGE
STABILITIES/STORAGE
AMBIENT
REFRIGERATED
FROZEN
Unacceptable
7 day(s)
3 month(s)
SHIPPING INSTRUCTIONS
Ship refrigerated