Alzheimer Disease Eval, CSF (Sendout)

General Information

Lab Name
Alzheimer Disease Eval, CSF (Sendout)
Lab Code
RCADEB
Epic Name
Alzheimer Disease Eval, CSF (Sendout)
External Test Id
ADEVL
Description

Ordering Note: Non-orderable Sendout battery included in package RCADEV.

Synonyms
A beta42, AB42, ADEVL, ADmark, Amyloid beta 42, p-tau, Phospho-tau, Phosphorylated-tau, t-tau, Total tau
Components

Interpretation

Method

Electrochemiluminescent Immunoassay

Reference Range
See individual components

Ordering & Collection

Specimen Type
CSF
Collection

Refer to RCADEV test guide for collection instructions.

Quantity
Requested: 2.5 mL CSF in Sarstedt CSF False Bottom Tube
Minimum: 1.5 mL CSF in Sarstedt CSF False Bottom Tube

Processing

Receiving Instructions

If only one sample is received, prioritize the Sendout battery RCADEB. Do not aliquot CSF for the UW214.

  • RCADEB (Sarstedt CSF False Bottom or CSF AD Biomarker collection collection tube): Refrigerated UW-MT Mayo Sendouts rack.
  • UW214 (Sarstedt 74.694.600 screw-cap polypropylene tube, "CSF PPV"): UW-MT Chemistry -70°C Rack (UCGEN/SP58)
    • Note: If samples are submitted in any tube type besides the Mayo Sarstedt CSF False Bottom Tube, Mayo Blue top (Mayo CSF AD Biomarker), Sarstedt 72.703.600 (1.5 mL), or Sarstedt 72.694.600 (2 mL) tubes, contact the Lab Medicine Resident on-call for further instruction.

Note: Fisherbrand 12x75 polypropylene Cat No. 14-956-1C will be accepted if the specimen volume fills at least 80% of the tube (4 mL).

Sendouts:

  • Order Mayo Test: ADEVL.
  • Interfaced: Yes.

Stability: Refrigerated (preferred): 14 days; Frozen: 60 days; Ambient: 12 hours.

Reject Due To: Gross hemolysis, gross icterus, wrong collection tube.

Misc Sendout

Performance

Lab Department
Sendouts Mayo Lab (RF)(MARF)
Frequency
Performed: Tuesday, Thursday. Report Available: 1-6 days.
Available STAT?
No
Performing Location(s)
Sendout Mayo Clinic Laboratories (Superior Drive)
800-533-1710

3050 Superior Drive NW
Rochester, MN 55901

Billing & Coding

CPT Codes
82234, 84393, 84394
LOINC
19146-0