C-1-Esterase Inhibitor Panel

0050139
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Example Reports
Abnormal
Normal

Ordering Recommendation

Mnemonic

C1 INH PAN

Methodology

Immunoturbidimetry/Semi-Quantitative Enzyme-Linked Immunosorbent Assay/Quantitative Nephelometry

Performed

Sun-Sat

Reported

1-4 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Serum separator tube.

Specimen Preparation

Separate serum from cells ASAP or within 2 hours of collection. Transfer three 1 mL aliquots of serum to individual ARUP Standard Transport Tubes and freeze immediately. (Min: 0.5 mL/tube)

Storage/Transport Temperature

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

Unacceptable Conditions

Non-frozen specimens.

Remarks
Stability

Refer to individual components.

Reference Interval

Test Number
 Components
 Reference Interval
0050140 C1-Esterase Inhibitor 21-39 mg/dL
0050141 C1-Esterase Inhibitor Functional 68% or greater: Normal
41-67%: Indeterminate
40% or less: Abnormal
0050155 Complement 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

Interpretive Data



Compliance Category

FDA

Note

Hotline History

N/A

CPT Codes

86160 x2; 86161

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Components

Component Test Code* Component Chart Name LOINC
0050140 C-1-Esterase Inhibitor 4477-6
0050141 C-1-Esterase Inhib. Functional 48494-9
0050155 Complement Component 4 4498-2
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • C1
  • C1 esterase inhibitor
  • C1 esterase inhibitor, functional
  • C1 inhibitor
  • C1-inh
  • C4
  • Complement Component 4
C-1-Esterase Inhibitor Panel