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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