ARUP's Laboratory Test Directory

0050139: C-1-Esterase Inhibitor Panel

Test Mnemonic: C1 INH PAN
Methodology: Immunoturbidimetric/Enzyme-Linked Immunosorbent Assay/Nephelometry

Performed: Sun-Sat

Reported: 1-4 days

Specimen Required:  
Collect: One 10 mL SST.

Transport: Three 1 mL aliquot tubes serum, frozen. (Min: 0.5 mL per tube)  Submit specimens in three ARUP Standard Transport Tubes.

Pediatric Collection/Transport: 0.5 mL serum, frozen.

Remarks: CRITICAL FROZEN.  Three separate specimens must be submitted. Separate serum from cells and freeze ASAP.

Unacceptable Conditions: Nonfrozen specimens.

Stability: Refer to individual components.

Reference Interval:
 
Test Number Components Reference Interval
0050140C1-Esterase Inhibitor 21-39 mg/dL
0050141C1-Esterase Inhibitor Functional 68% or greater: Normal
41-67%: Indeterminate
40% or less: Abnormal
0050155Complement Component 4  
 
0-30 days: 8-30 mg/dL
1 month: 9-33 mg/dL
2 months: 9-37 mg/dL
3 months: 10-35 mg/dL
4 months: 10-49 mg/dL
5 months: 9-48 mg/dL
6 months: 12-55 mg/dL 		7-8 months: 13-48 mg/dL
9-11 months: 16-51 mg/dL
1 year: 16-52 mg/dL
2-4 years: 12-47 mg/dL
5-11 years: 13-44 mg/dL
12-17 years: 14-41 mg/dL
18 years and older: 10-40 mg/dL

CPT Code(s):
86160 Complement C4; 86160 C-1-Esterase inhibitor; 86161 C-1 Esterase inhibitor functional