Proinsulin, Intact

0070112
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Example Reports
Abnormal
Normal
Ordering Recommendation

Aids in the detection of insulinoma. Do not use to diagnose diabetes mellitus.

Mnemonic
PROINS
Methodology

Quantitative Chemiluminescent Immunoassay

Performed

Tue, Thu

Reported

1-6 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation

Patient must fast for 12-15 hours prior to collection.

Collect

Serum Separator Tube (SST) or Plain Red. Also acceptable: Lavender (K2EDTA) or Pink (K2EDTA).

Specimen Preparation

Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 0.2 mL)

Storage/Transport Temperature

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

Unacceptable Conditions

Grossly hemolyzed specimens.

Remarks
Stability

After separation from cells: Ambient: Unacceptable; Refrigerated: 48 hours; Frozen: 2 months

Reference Interval

Effective May 19, 2014

Age Reference Interval
0-17 years Not established
18 years and older Less than or equal to 8.0 pmol/L

Interpretive Data

Fasting intact proinsulin values above the reference interval indicate a possible insulin secreting pancreatic tumor (insulinoma) in patients with hypoglycemia. Fasting intact proinsulin values range from 3 to 50 pmol/L in patients with untreated type 2 diabetes.

No compliance statements are in use for this test.

Note
Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
05/18/2020
X
N/A
CPT Codes

84206

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Components
Component Test Code* Component Chart Name LOINC
0070112 Proinsulin, Intact 10451-3
* 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
  • Proinsulin, Plasma
Proinsulin, Intact