|Description||Insulin assays are provided for the diagnosis of hypoglycaemia and will only be measured in states of hypoglycaemia. A fluoride oxalate sample for glucose must be sent at the same time. Serum samples are recommended for insulin measurement as this allows any follow-up tests (e.g. IGF-2, sulphonylureas) to be performed on the same sample. Lithium heparin is acceptable.|
|Indication||Differential diagnosis of hypoglycaemia.
|Concurrent Tests||Glucose, C-peptide|
|Interpretation||A raised insulin and C-peptide with a blood glucose < 2.2 mmol/L is indicative of insulinoma (sulphonylurea abuse should be excluded).
|Collection Conditions||The sample should arrive in the laboratory for separation and freezing within 30 min of collection. The laboratory should be notified that the sample is being sent.|
|Min. Vol||0.2 mL|
|Freq.||Referred to external laboratory|
|Ref. Range (Male)|| |
|Ref. Range (Female)|| |
|Ref. Range (Paed)|| |
|Ref. Range Notes||
|IP Acute TAT||Refer to Website|
|IP Routine TAT||At least 1 week|
|GP Acute TAT||- Contact Laboratory|
|GP Routine TAT||- Contact Laboratory|
|Turnround Comment||Dr G Wark:firstname.lastname@example.org|
Originally edited by : JHB. Review due on 22/11/2018 12:52:12. Published By SB on 22/11/2017 12:52:12.