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94626: Apolipoprotein E (apoe) Isoform, Csf Print View
ApoE Isoform LC-MS/MS     
Interpretation      

PRIMARY
1 CSF 0.4 (0.2) mL   Frozen - 31 Day(s)/Refrigerated - 5 Day(s)/Room Temperature - 72 Hour(s)  
ALTERNATE

ApoE isoform analysis, in conjunction with the AB42/40 ratio, can aid in assessing cognitive impairment.

Quest does not perform this test for individuals under the age of 18.
Pre-test and post-test counseling is strongly recommended.
Setup Schedule
Tuesday

Reported (Analytical Time)
3 days

CPT Code
82542

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
**This test is not available for New York patient testing.**

Specimen Requirement: Preferred: 0.4 mL (0.2 mL minimum) CSF collected in Polypropylene Collection tube

Reject Criteria: Specimen collected in a glass, polystyrene, or polycarbonate tube.

Methodology: Liquid Chromatography/Tandem Mass Spectrometry

Transport Temperature: Frozen






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