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Lab Test Dictionary

Pediatric Autoimmune Central Nervous System Disorders Evaluation, Serum (PCDES)

Synonyms

Encephalitis; Myelitis; Encephalopathy; Myelopathy, pediatric; Myelopathy, child

Specimen Type

Serum

Performing Lab

Mayo Medical Lab

Epic ID

Other Reference Test

Lab Test Days

Monday-Saturday; Reflex tests: Varies

Standard TAT

8-12 Days

Collection Information

Specimen Required

4-8 mL Blood

Container Type

Red Top (No Additive)

Collection Instructions

Serum collected in a gold serum separator tube (SST) is also acceptable.

Processing Information - Lab Use Only

Transport Temperature

Frozen-OK/Ambient-OK

Specimen Stability

Room Temp: 72 hours; Refrigerated: 28 Days (Preferred); Frozen: 28 Days

Rejection Criteria

Gross hemolysis; Gross lipemia; Gross icterus

Test Volume Required

4 mL Serum

Minimum Test Volume

2 mL Serum

Processing Instructions

Order test in Mayolink and send with Mayo courier Monday-Friday.

CPT Codes

86341, 86363, 86053, 86255 (x10); 84182 (x3); 86256 (x9); 86255 (x4); 86363 (x2)

Revised

7/19/23