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Test Code Homocyst HOMOCYSTEINE

Aliasis

Homocysteine, Total, P

Patient Preparation

No special patient preparation required

Special Collection Instructions

If specimen cannot be separated soon after collection, it should be stored on ice until centrifugation.

Collection Method

Venous collections

Minimum Volume

1 mL

Container

EDTA Plasma: Lavender Top

Lithium Heparin: Light Green Top

Serum: Red top or Gold

 

Preferred Specimen

Lavender/Pink EDTA top

Acceptable Specimen(s)

Serum:
-Gold top SST
-Red Top
Plasma:
-Lt Green Top
-Lavender (LAV) top

Reference or Target Ranges

3.7-13.9 mcmol/L

Reportable Units

mcmol/L

Critical Value

Not defined for this assay

Reasons for Rejection

Other:                           

QNS, contaminated, Improperly labeled, Improper specimen type

Specimen Stability

Ambient

Do Not store samples at room temperature

Refrigerated         

48 Hours

Frozen

13 Weeks

Performance Information

Days and Time Performed

24/7

Expected Turn Around Time

Stat: 1 Hour, Routine: 4 Hours

Stat Availability

Yes

Performing Bench

CRMC Chemistry

Methodology/Method Description

Atellica

Methodology/Method Description

Atellica CH Analyzer

CPT Codes

83090