Ordering Recommendation

Preferred test to evaluate if etiology of hypoglycemia is sulfonylurea ingestion.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation

Plain red or gray (sodium fluoride/potassium oxalate)

Specimen Preparation

Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.3 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.

Storage/Transport Temperature

Frozen. Also acceptable: Refrigerated

Unacceptable Conditions

Separator tubes


Ambient: 48 hours; Refrigerated: 28 days; Frozen: 24 months


Qualitative High Performance Liquid Chromatography-Tandem Mass Spectrometry




4-7 days

Reference Interval

By report

Interpretive Data

Compliance Category

Performed by non-ARUP Laboratory


Hotline History


CPT Codes

80377 (Alt Code: G0480)


Component Test Code* Component Chart Name LOINC
2004281 Chlorpropamide 3474-4
2004282 Glimepiride 40465-7
2004283 Glipizide 10539-5
2004284 Glyburide 10540-3
2004285 Nateglinide 49702-4
2004286 Repaglinide 38542-7
2004287 Tolazamide 9629-7
2004288 Tolbutamide 4061-8
3005637 Rosiglitazone
3005638 Pioglitazone
* 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.


  • Amaryl
  • DiaBeta
  • Diabinese
  • Glucotrol
  • Glynase
  • Meglitinides
  • Micronase
  • Orinase
  • Prandin
  • Starlix
  • Sulfonylureas
  • Tolinase
Hypoglycemia Panel (Sulfonylureas), Serum or Plasma

National Medical Services (NMS)