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Lab Test Dictionary

Hu Antibody Screen with Reflex to Titer and Western Blot (37053)


Immunofluorescence Assay (IFA); Western Blot (WB)

Specimen Type


Performing Lab

Quest Diagnostics San Juan Capistrano

Epic ID


Collection Information

Specimen Required

1 mL Blood

Container Type

Red Top (No Additive)

Collection Instructions

Overnight fasting is preferred.

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp: 7 Days; Refrigerated: 14 Days; Frozen: 21 Days

Test Volume Required

0.5 mL Serum

Minimum Test Volume

0.2 mL Serum

Included Tests

If Hu Antibody Screen, IFA is positive, Hu Antibody, WB will be performed at an additional charge (CPT code(s): 84181). If Hu Antibody, WB is positive, Hu Antibody Titer will be performed at an additional charge (CPT code(s): 86256).

CPT Codes

86255 with reflex to 84181, 86256