Clinics and Departments

Laboratory Services

Lab Dept:

Chemistry

Test Name:

GROWTH HORMONE BINDING PROTEIN

General Information

Lab Order Codes:

GHB

Synonyms:

GHBP

CPT Codes:

83519 - Immunoassay, analyte, quantitative; by radiopharmaceutical technique

Test Includes:

N/A

Logistics

Test Indications:

N/A

Lab Testing Sections:

Chemistry - Sendouts

Referred to:

Esoterix, Inc (Test# 500209)

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

4 – 17 days, test performed once per week

Special Instructions:

N/A

Specimen

Specimen Type:

Whole blood

Container:

Red top (plain, no gel) tube

Draw Volume:

3 mL (Minimum: 0.6 mL) blood

Processed Volume:

1 mL (Minimum: 0.2 mL) serum

Note: Minimum does not permit repeat analysis

Collection:

Routine venipuncture

Special Processing:

Lab Staff: Centrifuge specimen within 1 hour of draw, remove serum aliquot into a screw-capped round bottom plastic vial. Store and ship at frozen temperatures. Forward promptly.

Patient Preparation:

None

Sample Rejection:

Mislabeled or unlabeled specimens

Interpretive

Reference Range:

Children:

<1 years:

<125 - 762 pmol/L

2 - 9 years:

267 - 1638 pmol/L

10 - 14 years:

431 - 1892 pmol/L

Adults:

20 - 50 years:

686 - 2019 pmol/L

Laron dwarfism:

<300 pmol/L

Critical Values:

N/A

Limitations:

N/A

Methodology:

Ligand-mediated binding assay

References:

Esoterix, Inc. Laboratory Services August 2013



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