Last Modified:
11/19/2020 8:33:32 AM
Medical Necessity Documentation:
Client Notes:
Patient Preparation:
Specimen Requirements:
5.0 to 10.0 mL Green Top Tube(s) - Na Heparin
Collection Instructions:
Do not collect on Friday or Saturday due to stability time frame, and the time to get to the testing laboratory.
Minimum Volume:
3.0 mL Whole Blood (Na Heparin)
Transport & Storage: Temperature/Stability:
72 hours Ambient
Rejection Criteria:
Refrigerated or Frozen
Reference Range:
Refer to Interpretive Results
Critical Ranges:
Test Comments:
Methodology:
Flow Cytometry (FC)
Clinical Significance:
Paroxysmal Nocturnal Hemoglobinuria (PNH) with FLAER (High Sensitivity) - The high sensitivity and quantitative flow cytometry assay is used in the diagnosis and follow-up of patients with paroxysmal nocturnal hemoglobinuria (PNH). FLAER as well as antibodies directed against glycosylphosphosphatidylinositol (GPI)-linked antigens are used to evaluate for the presence of (GPI)-deficient cell populations down to a level of 0.01%.
Documentation:
Custom Panel:
No
PRODUCTION SCHEDULE
Turn Around Time:
3 to 4 days
Days Performed:
Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed:
Quest - Chantilly
PHL Test Code:
PNHFL
EPIC Test Code:
LAB3192
Send Out Test Code:
94148
Alternate Test Names:
Fluorescent Inactive Toxin Aerolysin; Fluorescent Proaerolysin Variant (FLAER); GPI-Linked Antigen; GPI-Linked Proteins; Paroxysmal Nocturnal Hemoglobinuria (PNH) with FLA; PI Linked Antigen; PNH with FLAER (High Sensitivity)
Included Tests:
CPT Coding:
88184, 88185 (x6), 88187 - CPT Code is subject to a MEDICARE LIMITED COVERAGE POLICY and may require a signed ABN when ordering
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