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* BETA-HYDROXYBUTYRATE

Mnemonic

BHB

Synonym

Ketone body - BOHB - β-HBA

Specimen Collection Requirements

Collect

Serum or Plasma, one 5.0 mL gold (SST), 7.0 mL red, 3.0 mL mint green (lithium heparin, PST), 4.0 mL gray (sodium flouride) top tube), or 4.0 mL lavender (EDTA) top tube

Handling

Allow serum to clot completely at room temperature (minimum: SST - 30 minutes and red top tubes - 60 minutes). Centrifuge and separate serum or plasma from cells within 1 hour of collection.

Preferred Volume

1.0 mL Serum/Plasma

Minimum Volume

0.25 mL Serum/Plasma (0.6 mL minimum whole blood draw)

Transport

Refrigerated (2-8°C)

Rejection Criteria

Grossly hemolyzed specimens

Stability

AFTER SEPARATION FROM CELLS: Room Temperature (18-26°C): 2 hours; Refrigerated (2-8°C): 7 days; Frozen (≤ -20°C): 1 month

Testing Information

Performed

7 days/week

Reported

24 hours

Method

Enzymatic

Reference Values

Reference Values

Age

BHB

0 - 11 months

1.0-10.0 mg/dL

1 - 6 years

0.9-9.4 mg/dL

7 - 14 years

0.9-3.1 mg/dL

≥15 years

0.2-2.8 mg/dL

CPT Codes

82010

Last Updated: Thursday, January 26, 2017 03:53:32 PM


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