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Insulin-Like Growth Factor 2 (IGF-2)

Test Catalog Information

Test Catalog Synonyms
EPIC Synonyms SOMATOMEDIN-C
Insulin-like Growth Factor Protein 2
SOMATOMEDIN C
Cerner Primary MnemonicInsulin Like Growth FAC II
EPIC Display NameInsulin-Like Growth Factor 2 (IGF-2)
Allscripts (AEHR) Order Name

Insulin-like Growth Factor Protein 2

Sunrise Clinical Manager (SCM) Order Name

Insulin-like Growth Factor Protein 2

EPIC Inpatient Orderable Yes
EPIC Outpatient Orderable Yes
Cerner Results Comments-48
Insulin Like Growth Factor II
Clinical Info

Insulin-like growth factor II (IGF-II) is a 7.5 kilodalton, 67 amino acid peptide which is thought to mediate some of the actions of growth hormone (GH). IGF-II peptide consists of the A, C, and B chains, and is structurally homologous to IGF-I and proinsulin. IGF-II is secreted by the liver and other tissue and is postulated to have mitogenic and metabolic actions at or near the sites of synthesis; this has been termed the paracrine role of IGF-II. IGF-II also appears in the peripheral circulation, where it circulates primarily in a high molecular weight tertiary complex with IGF-binding protein-3 (IGFBP-3) and acid-labile subunit. A smaller proportion of IGF-II may circulate in association with other IGF-binding proteins. The proportion of unbound IGF-II in the circulation has been estimated at >5%. Plasma levels of IGF-II are dependent upon adequate levels of GH and other factors, including adequate nutrition.
The actions of IGF-II are mediated by binding to specific cell surface receptors. The function of the type II IGF receptor is not completely defined. IGF-II binds with lower affinity to the IGF-I type receptors and the insulin receptors. These latter receptors may mediate the mitogenic and metabolic actions of IGF-II. Although its specific physiologic role has not been defined, it has been postulated that the interplay of IGF-I and IGF-II with the different cell surface receptors and circulating binding proteins modulates tissue growth.
Normal postnatal plasma IGF-II levels are assumed to be at maximum levels, since administration of GH does not result in increased IGF-II levels (unlike IGF-I levels, which increase). Postnatal plasma IGF-II levels show a moderate age-related increase throughout childhood and puberty, and there is no significant variability during the day. IGF-II levels decrease in GH deficiency and in malnutrition. IGF-II levels may also decrease in acromegaly and during exogenous administration of IGF-I.

Specimen Type

Blood

Container

Red Top Tube

Collection Instructions

Container/Tube: Serum-Gold Top Specimen:  0.5 mL(min  0.1 mL)
Transport Temperature:  Frozen serum
 

Transport Instructions

Frozen serum

Specimen Stability

Methodology

 
Radioimmunoassay (RIA) after acid:alcohol extraction
 

Days Performed

Wednesday Morning Report available : 4 days

Performing Laboratory

Labcorp-Esoterix

CPT

83519

PDM

5913800

Desired Epic Build Insulin-Like Growth Factor 2 (IGF-2)

Cerner Primary Mnemonic: Insulin Like Growth FAC II
PDM 5913800
Informatics - WorkgroupEndocrine
Synonyms *SOMATOMEDIN-C
Insulin-like Growth Factor Protein 2
SOMATOMEDIN C
Display Name *Insulin-Like Growth Factor 2 (IGF-2)
Order Entry Specimen Sources *
Order Entry Specimen Types
Blood
Specimen Navigator Specimen Types
Specimen Navigator Specimen Sources
Specimen Navigator Short Name
Ordering info (EPIC SmartText)Insulin-like growth factor II (IGF-II) is a 7.5 kilodalton, 67 amino acid peptide which is thought to mediate some of the actions of growth hormone (GH). IGF-II peptide consists of the A, C, and B chains, and is structurally homologous to IGF-I and proinsulin. IGF-II is secreted by the liver and other tissue and is postulated to have mitogenic and metabolic actions at or near the sites of synthesis; this has been termed the paracrine role of IGF-II. IGF-II also appears in the peripheral circulation, where it circulates primarily in a high molecular weight tertiary complex with IGF-binding protein-3 (IGFBP-3) and acid-labile subunit. A smaller proportion of IGF-II may circulate in association with other IGF-binding proteins. The proportion of unbound IGF-II in the circulation has been estimated at >5%. Plasma levels of IGF-II are dependent upon adequate levels of GH and other factors, including adequate nutrition.
The actions of IGF-II are mediated by binding to specific cell surface receptors. The function of the type II IGF receptor is not completely defined. IGF-II binds with lower affinity to the IGF-I type receptors and the insulin receptors. These latter receptors may mediate the mitogenic and metabolic actions of IGF-II. Although its specific physiologic role has not been defined, it has been postulated that the interplay of IGF-I and IGF-II with the different cell surface receptors and circulating binding proteins modulates tissue growth.
Normal postnatal plasma IGF-II levels are assumed to be at maximum levels, since administration of GH does not result in increased IGF-II levels (unlike IGF-I levels, which increase). Postnatal plasma IGF-II levels show a moderate age-related increase throughout childhood and puberty, and there is no significant variability during the day. IGF-II levels decrease in GH deficiency and in malnutrition. IGF-II levels may also decrease in acromegaly and during exogenous administration of IGF-I.
IP Orderable Yes
OP Orderable Yes
AOEs *

AP AOEs
Special History No
Build Comments
Filter *
Procedure Category Change
Cerner Results

Result DescResult displayResult PDM
RAM48 Comments-48 5914148
ILGF2X Insulin Like Growth Factor II 5900865

Actual Epic build

Procedure Id 167401
Pdm 5913800
Order Display Name Insulin-like growth factor 2 (IGF-2)
Procedure Name INSULIN-LIKE GROWTH FACTOR 2
Procedure Master Number LAB10002
Short Procedure Name INSULIN LIKE 2
Category Code 1.0
Category Code Record Name LAB BLOOD ORDERABLES
Synonyms SOMATOMEDIN-C INSULIN-LIKE GROWTH FACTOR PROTEIN 2 SOMATOMEDIN C
Clinically Active Yes
Orderable Yes
Performable Yes
Filter Genomics
Reference Link Url https://labs.northwell.edu/epic/test/167401
Ordering Instructions
Default Specimen Type Blood
Specimen Type Pick List Blood
Specimen Type List
Op Specimen Type List
Specimen Source Pick List Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous
Specimen Source Default - Male Blood, Venous
Specimen Source Default - Female Blood, Venous
Specimen Source List
Op Specimen Source List
Ip Lab Test Components For Report
Op Lab Test Components For Report
Order Questions ["3045300170", "3045300171", "3045300173"]
Order Questions Record Name NH IP HOME COLLECT DATE NH IP HOME COLLECT DAYS NH IP HOME COLLECT MEDICALLY NECESSARY
Inpatient Order Questions []
Inpatient Order Questions Record Name
Order Specific Question Override Yes
Inpatient Question Override
Location Restrict List Ip
Location Restrict List Ip Record Name
Location Restrict List Include Ip
Location Restrict List Op
Location Restrict List Op Record Name
Location Restrict List Includes Op
Edp Amb Order Specific Questions Record Name
Edp Ip Order Specific Questions Record Name
Edp Ip Specimen Source Blood, Venous Blood, Central Line Blood, Arterial Blood, Capillary
Edp Op Specimen Source
Edp Ip Specimen Type Blood
Edp Op Specimen Type
Derived Edp Ip Buttons S Blood, Capillary Blood, Venous Blood, Central Line Blood, Arterial
Derived Edp Ip Buttons T Blood
Derived Edp Op Buttons S
Derived Edp Op Buttons T
Ip Orderable 1
Op Orderable 1
EPIC OP AOEs

Question IDQuestion NameQuestionResponse TypeResponse ListRequire Response
3045300170 NH IP HOME COLLECT DATE Start Date Date Yes
3045300171 NH IP HOME COLLECT DAYS Days Custom List Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Yes
3045300173 NH IP HOME COLLECT MEDICALLY NECESSARY Medically Necessary? Yes/No Yes
EPIC IP AOEs

EPIC Components (results)

Component IDComponent NameBase NameCommon NameExternal NameCerner Result PDM
3047801940.0 COMMENTS-48 COMMEN48 COMMENTS-48 5914148
3047803075.0 INSULIN LIKE GROWTH FACTOR 2 IGF2 INSULIN LIKE GROWTH FACTOR 2 5900865