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C1-Esterase Inhibitor

Mnemonic

C1ESTER

Synonym

C1 Esterase Inhibitor

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

1 mL Serum

Minimum Volume

0.4 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

Quantitative Nephelometry

Referral Lab

ARUP (0050140)

Reference Values

Reference Values

21-39 mg/dL

CPT Codes

86160

Last Updated: Monday, November 4, 2019 06:51:46 PM


Client Services: 503-413-1234