Test Catalog

Test Id : FIGF1

IGF-1, LC/MS

Method Name
A short description of the method used to perform the test

Liquid Chromatography Mass Spectrometry (LC/MS)

NY State Available
Indicates the status of NY State approval and if the test is orderable for NY State clients.

Yes

Reporting Name
Lists a shorter or abbreviated version of the Published Name for a test

IGF-1, LC/MS

Aliases
Lists additional common names for a test, as an aid in searching

IGF1

IGF 1

Insulin-Like Growth Factor

Insulin Like Growth Factor

Somatomedin-C

Specimen Type
Describes the specimen type validated for testing

Serum

Specimen Required
Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Collections Instructions:

1. Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable.

2. Centrifuge and aliquot 0.5 mL of serum into a plastic vial.

3. Send refrigerate.

Specimen Minimum Volume
Defines the amount of sample necessary to provide a clinically relevant result as determined by the testing laboratory. The minimum volume is sufficient for one attempt at testing.

0.3 mL

Reject Due To
Identifies specimen types and conditions that may cause the specimen to be rejected

Gross Hemolysis Reject
Gross Lipemia Reject
Gross Icterus Reject
Received in glass tube Reject

Specimen Stability Information
Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 7 days
Frozen 60 days

Reference Values
Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

Pediatric

Male (ng/mL)

Female (ng/mL)

<1 Year

14-142

17-185

1-1.9 Years

12-134

15-175

2-2.9 Years

12-135

16-179

3-3.9 Years

30-155

38-214

4-4.9 Years

28-181

34-238

5-5.9 Years

31-214

37-272

6-6.9 Years

38-253

45-316

7-7.9 Years

48-298

58-367

8-8.9 Years

62-347

76-424

9-9.9 Years

80-398

99-483

10-10.9 Years

100-449

125-541

11-11.9 Years

123-497

152-593

12-12.9 Years

146-541

178-636

13-13.9 Years

168-576

200-664

14-14.9 Years

187-599

214-673

15-15.9 Years

201-609

218-659

16-16.9 Years

209-602

208-619

17-17.9 Years

207-576

185-551

 

Adult

(ng/mL)

18-19.9 Years

108-548

20-24.9 Years

83-456

25-29.9 Years

63-373

30-39.9 Years

53-331

40-49.9 Years

52-328

50-59.9 Years

50-317

60-69.9 Years

41-279

70-79.9 Years

34-245

>80 Years

34-246

 

Z-Score (Male and Female): -2.0 - +2.0 SD

 

Pediatric Tanner Stages: See Laboratory Report

PDF Report
Indicates whether the report includes an additional document with charts, images or other enriched information

No

Day(s) Performed
Outlines the days the test is performed. This field reflects the day that the sample must be in the testing laboratory to begin the testing process and includes any specimen preparation and processing time before the test is performed. Some tests are listed as continuously performed, which means that assays are performed multiple times during the day.

Monday through Sunday

Report Available
The interval of time (receipt of sample at Mayo Clinic Laboratories to results available) taking into account standard setup days and weekends. The first day is the time that it typically takes for a result to be available. The last day is the time it might take, accounting for any necessary repeated testing.

4 to 8 days

Performing Laboratory Location
Indicates the location of the laboratory that performs the test

Quest Diagnostics Nichols Institute

Fees :
Several factors determine the fee charged to perform a test. Contact your U.S. or International Regional Manager for information about establishing a fee schedule or to learn more about resources to optimize test selection.

  • Authorized users can sign in to Test Prices for detailed fee information.
  • Clients without access to Test Prices can contact Customer Service 24 hours a day, seven days a week.
  • Prospective clients should contact their account representative. For assistance, contact Customer Service.

Test Classification
Provides information regarding the medical device classification for laboratory test kits and reagents. Tests may be classified as cleared or approved by the US Food and Drug Administration (FDA) and used per manufacturer instructions, or as products that do not undergo full FDA review and approval, and are then labeled as an Analyte Specific Reagent (ASR) product.

This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. The assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

CPT Code Information
Provides guidance in determining the appropriate Current Procedural Terminology (CPT) code(s) information for each test or profile. The listed CPT codes reflect Mayo Clinic Laboratories interpretation of CPT coding requirements. It is the responsibility of each laboratory to determine correct CPT codes to use for billing.

CPT codes are provided by the performing laboratory.

84305

LOINC® Information
Provides guidance in determining the Logical Observation Identifiers Names and Codes (LOINC) values for the order and results codes of this test. LOINC values are provided by the performing laboratory.

Test Id Test Order Name Order LOINC Value
FIGF1 IGF-1, LC/MS Not Provided
Result Id Test Result Name Result LOINC Value
Applies only to results expressed in units of measure originally reported by the performing laboratory. These values do not apply to results that are converted to other units of measure.
Z6379 IGF-1, LCMS 2484-4
Z6380 Z-Score (Female) 73561-3
Z6381 Z-Score (Male) 73561-3

Test Setup Resources

Setup Files
Test setup information contains test file definition details to support order and result interfacing between Mayo Clinic Laboratories and your Laboratory Information System.

Excel | Pdf

Sample Reports
Normal and Abnormal sample reports are provided as references for report appearance.

Normal Reports | Abnormal Reports

SI Sample Reports
International System (SI) of Unit reports are provided for a limited number of tests. These reports are intended for international account use and are only available through MayoLINK accounts that have been defined to receive them.

SI Normal Reports | SI Abnormal Reports

Test Update Resources

Change Type Effective Date
New Test 2025-05-28