Total Homocysteine, Dried Blood Spot (DBS) filter paper
WSLH Department: | Biochemical Genetics |
WSLH Test Code: | BG00595 |
Availability: | Prior to submission of specimens for Biochemical Genetics testing, please contact the laboratory at: (608) 263-4619. |
Turn-around Time: | 5 working days |
Recommended Uses: | Total homocysteine quantification can be used to assess patients for cobalamin (vitamin B12) deficiency, and primary or secondary disorders of methionine metabolism. There is also a weak association between homocysteine concentrations and coronary heart disease. |
Contraindications: | None |
Additional Tests Performed: |
Patient Preparations: | |
Specimen Requirements: | Whole blood spotted on filter paper. The filter paper is part of the collection kit. |
Specimen Handling & Transport: | Specimens should be sent at ambient temperatures. |
Collection Kit/Container: |
Whatman 903 filter paper
|
Collection Instructions: | 2 dime-sized dried blood spots collected on provided filter paper. Allow blood specimen to dry horizontally for at least 3 hours prior to transport. |
Unacceptable Conditions: | Specimens are deemed unacceptable for testing for the following reasons: Blood clots; Layered blood; Incomplete saturation; Plasma separation for red blood cells; Contamination of filter paper; Damage to filter paper; Blood on filter paper cover. |
Requisition Form: |
Biochemical Genetics Requisition Form
|
Required Information: | Laboratory regulations require the following minimum information to be provided on the requisition form for a specimen to be accepted for testing: Patient name or unique identifier; date and time of collection, patient date of birth and sex, specimen type/site of collection, test request(s), clinician name and UPIN, and address for reporting results. Please be certain that name/identifier on the form matches that on the specimen label. |
Results Include: | Quantification of total homocysteine and an interpretation of results. |
Limitations: | |
Additional Tests Recommended: | See report for recommendations |
Additional Comments: |
Methodology: | HPLC |
Includes: | Quantification of total homocysteine. Interpretation of clinical significance provided. |
CPT Code: | 83090 |
Price: | For pricing information, please call 608-262-9674 |