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C1-Esterase Inhibitor Functional

Mnemonic

C1 INH F

Synonym

C1 Esterase Inhibitor Functional

Includes

C1-Esterase Inhibitor

Specimen Collection Requirements

Collect

Serum, one 5.0 mL gold (SST) or 7.0 mL red top tube

Supply Item Number – 101235 or 101192

Handling

Allow serum to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection. Freeze immediately.

 

CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Preferred Volume

0.5 mL Serum

Minimum Volume

0.1 mL Serum

Transport

Frozen

Rejection Criteria

Nonfrozen specimens

Stability

AFTER SEPARATION FROM CELLS: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 2 weeks

Testing Information

Performed

Monday, Wednesday, Friday

Reported

2-5 days

Method

Semi-Quantitative ELISA

Referral Lab

ARUP (0050141)

Reference Values

Reference Values

68% or greater:

Normal

41-67%:

Indeterminate

40% or less:

Abnormal

CPT Codes

86161

Last Updated: Monday, November 4, 2019 08:26:05 PM


Client Services: 503-413-1234