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Test Code Billings Clinic: 8888 Mayo: FCARO Carotene, Beta

Performing Laboratory

LabCorp Burlington

Reporting Name

Carotene, Beta

Useful For

Confirm the diagnosis of carotenoderma; detect fat malabsorption; depressed carotene levels may be found in cases of steatorrhea.

Method Name

High-pressure liquid chromatography (HPLC)

Specimen Required

Supplies: Amber vial (T192)

Specimen Type: Serum

Container/Tube: Red

Specimen Volume: 1 mL

Collection Instructions: Draw blood in a plain, red-top tube(s). (Serum gel tube is acceptable.)

Spin Down and send 1 mL of serum ambient in an amber vial (T192) to protect from light.



1. Protect from light within 1 hour of collection.

2. Patient must be fasting overnight (12 hours).

3. Abstain from alcohol for 24 hours prior to collection.

Specimen Type


Specimen Minimum Volume

0.5 mL

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: Mild reject; Gross reject
Thawing: Warm OK; Cold OK
Lipemia: NA
Icterus: NA
Other: Specimen other than serum Red or SST, or if not light protected.

Reference Values

3 - 91 ug/dL


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

Day(s) and Time(s) Performed

Monday, Wednesday, Friday

CPT Code Information


LOINC Code Information

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


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