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HelpTest Code PMND1 Primary Membranous Nephropathy Diagnostic Cascade, Serum
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| PLA2I | PLA2R, Immunofluorescence, S | Yes | No |
| THSD7 | THSD7A Ab, S | Yes | No |
Specimen Type
SerumSpecimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 14 days | |
| Frozen | 14 days | ||
| Ambient | 8 hours |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Reference Values
ANTI-PHOSPHOLIPASE A2 RECEPTOR (PLA2R) ENZYME-LINKED IMMUNOSORBENT ASSAY:
<14 RU/mL: Negative
14 to 19 RU/mL: Borderline
≥20 RU/mL: Positive
PLA2R IMMUNOFLUORESCENCE:
Negative
THROMBOSPONDIN TYPE-1 DOMAIN-CONTAINING 7A ANTIBODIES:
Negative
Day(s) Performed
Monday, Wednesday, Friday
Report Available
3 to 7 daysSpecimen Retention Time
7 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
83520
86255 (x1 or x2, if applicable)