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This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H, or coenzyme R). It is recommended to ask all patients who may be indicated for this test about biotin supplementation. Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.
1 - 2 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Serum (preferred) or plasma
0.3 mL (Note: This volume does not allow for repeat testing.)
Red-top tube, gel-barrier tube, green-top (lithium heparin), or lavender-top (EDTA) tube
If a red-top tube or plasma is used, separate serum or plasma to a plastic transport tube.
Citrate plasma specimen; grossly hemolyzed samples; improper labeling
Support a diagnosis of congestive heart failure (CHF)
Electrochemiluminescence immunoassay (ECLIA)
0 to 11 m
1 to 3 y
4 to 6 y
7 to 9 y
19 to 44 y
45 to 54 y
55 to 64 y
65 to 74 y
|Order Code||Order Code Name||Order Loinc||Result Code||Result Code Name||UofM||Result LOINC|
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The LOINC® codes are copyright © 1994-2021, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf