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IGF-1

CPT/HCPCS 84305
Order Code CH239
Turnaround Time 24-48 hours
Test Includes

IGF-1

Specimen Requirements
Specimen Source
Serum
Transport Container
(Specimen Container)

SST (Tiger Top)

Preferred Specimens
Serum
Collection Instructions
(Transport Temperature)
Transport Refrigerated (cold packs)
Specimen Stability
Temperature Period
Room temperature Unacceptable
Refrigerated 24 hours
Frozen 30 days
Reject Criteria

Plasma specimen

Test Details
Methodology
Immunoassay (IA)
Clinical Significance

Diagnosing growth disorders
Diagnosing adult growth hormone deficiency
Monitoring of recombinant human growth hormone treatment
Insulin-like growth factor binding protein 3 can be used as a possible adjunct to insulin-like growth factor 1 and growth hormone in the diagnosis and follow-up of acromegaly and gigantism.

Reference Ranges

Male:
≤ 189 ng/mL (≤ 3 years)
47 – 231 ng/mL (4 – 6 years)
55 – 222 ng/mL (7 – 9 years)
95 – 315 ng/mL (10 – 11 years)
95 – 460 ng/mL (12 – 13 years)
211 – 512 ng/mL (14 – 15 years)
57 – 426 ng/mL (16 – 18 years)
105 – 346 ng/mL (19 – 21 years)
107 – 367 ng/mL (22 – 24 years)
88 – 537 ng/mL (25 – 29 years)
41 – 246 ng/mL (30 – 34 years)
57 – 241 ng/mL (35 – 39 years)
43 – 209 ng/mL (40 – 44 years)
74 – 196 ng/mL (45 – 49 years)
55 – 248 ng/mL (50 – 54 years)
36 – 200 ng/mL (55 – 59 years)
51 – 187 ng/mL (60 – 64 years)
37 – 219 ng/mL (65 – 69 years)
24 – 200 ng/mL (70 – 79 years)
17 – 323 ng/mL (80 – 100 years)

Female:
≤ 272 ng/mL (≤ 3 years)
55 – 248 ng/mL (4 – 6 years)
80 – 233 ng/mL (7 – 9 years)
96 – 545 ng/mL (10 – 11 years)
147 – 549 ng/mL (12 – 13 years)
208 – 444 ng/mL (14 – 15 years)
176 – 429 ng/mL (16 – 18 years)
105 – 346 ng/mL (19 – 21 years)
107 – 367 ng/mL (22 – 24 years)
88 – 537 ng/mL (25 – 29 years)
41 – 246 ng/mL (30 – 34 years)
57 – 241 ng/mL (35 – 39 years)
43 – 209 ng/mL (40 – 44 years)
74 – 196 ng/mL (45 – 49 years)
55 – 248 ng/mL (50 – 54 years)
36 – 200 ng/mL (55 – 59 years)
51 – 187 ng/mL (60 – 64 years)
37 – 219 ng/mL (65 – 69 years)
24 – 200 ng/mL (70 – 79 years)
17 – 323 ng/mL (80 – 100 years)