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LABORATORY TEST DIRECTORY

C1-Esterase Inhibitor Functional

CPT Code(s): 86161
Specimen Required: Patient Preparation:
Collect:Serum separator tube, lavender (EDTA), or pink (K2EDTA).
Specimen Preparation:Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum or plasma to an RDL Standard Transport Tube and freeze immediately. (Min: 0.1 mL)
Storage/Transport Temperature:CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Stability:After separation from cells: Ambient: 2 hours; Refrigerated: Unacceptable; Frozen: 2 weeks
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • C1 Esterase Inh,FuncC1 esterase inhibitorC1 InactivatorC1 INH functionalFunctional Assay, SerumFunctional C1 EsteraseHAEHereditary Angioedema