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Test Code LAB702 Carotene, Beta

Additional Codes

FCATB


Specimen Required


Patient Preparation:

1. Patient must be fasting overnight (12 hours). Blood should be collected before breakfast in the morning and prior to any medication.

2. Patient must not consume any alcohol for 24 hours before specimen collection.

3. For patients younger than six months, draw prior to their next feeding.

Supplies: Amber Frosted Tube, 5 mL (T915)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Amber vial

Specimen Volume: 0.7 mL

Collection Instructions:

1. Draw blood in a serum gel tube or plain red-top tube.

2. Within 1 hour of collection, centrifuge and aliquot 0.7 mL of serum into an amber vial to protect from light.

3. Ship ambient


Secondary ID

75927

Useful For

Confirming the diagnosis of carotenoderma

 

Detecting fat malabsorption

 

Depressed carotene levels may be found in cases of steatorrhea.

Method Name

High-pressure liquid chromatography (HPLC)

Specimen Type

Serum

Specimen Minimum Volume

0.4 mL; Note: This volume does not allow for repeat testing.

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Ambient (preferred) 14 days LIGHT PROTECTED
  Frozen  14 days LIGHT PROTECTED
  Refrigerated  14 days LIGHT PROTECTED

Reject Due To

Hemolysis: Reject
Thawing: Cold OK; Warm OK
Specimen not protected from light
Specimen other than serum
Reject

Reference Values

3-91 ug/dL

Interpretation

High levels are useful to rule out steatorrhea but lower values lack specificity. There is poor sensitivity. High levels are found in the serum of individuals ingesting large amounts of vegetables.

Day(s) Performed

Monday, Wednesday, Friday

Report Available

5 to 10 days

Performing Laboratory

LabCorp Burlington

CPT Code Information

82380

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FCATB Carotene, Beta 2053-7

 

Result ID Test Result Name Result LOINC Value
FCATB Carotene, Beta 2053-7