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Copley Hospital Information

Outpatient Blood Drawing Hours

Copley Lab Holiday Closings

Introduction

Billing

Copley Lab Phone Numbers

Supplies and Couriers

Specimen Collection and Handling

Specimen Collection

Anaerobic Cultures

Blood Culture Collection

Coagulation Specimen Handling

Collecting a Blood Sample

Fingerstick Collections

Sterile Mid-Stream Urine Collection

24-Hour Urine Collection

Urine Preservatives: 24 Hour Collection

Instructions for Handling Blood Samples

Instructions for Packing Samples for Transport

Test Specific Information

Critical Values

Reflex Testing

Tests Subject to Reflex

Result Reporting

Repeat Testing

Stability Chart

Stat List

Submission of Specimens

Medical Necessity

Blood Count Testing NCD 190.15

Hepatitis Panel Testing NCD 190.33

Iron Studies Testing NCD 190.18

Lipid Testing 190.23

PT Testing NCD 190.17

PTT Testing NCD 190.16

Thyroid Testing 190.22

Urine Culture, Bacterial 190.12

Mayo Clinic Laboratories

Test Code 18449 Glucose Tolerance (2 Hour)

Important Note

Patient must be on a normal diet for 3 days prior to testing, and be fasting for at least 8 to 14 hours prior to test.

Purpose

The glucose tolerance test measures your body's response to sugar (glucose). The glucose tolerance test can be used to screen for type 2 diabetes or gestational diabetes. 

 

Performing Laboratory

Copley Hospital

 

Methodology

Bichromatic Endpoint

 

Specimen Requirements

Specimen Type: Blood (Plasma or Serum)

Preferred: Light-Green Top

Acceptable: Gold Top

Specimen Volume: Full Tube

Specimen Minimum Volume: 2 mL

 

Specimen Type: Urine (Hourly Collection)

Container/Tube: Sterile Plastic Container

Specimen Volume: 50 mL

Specimen Minimum Volume: 5 mL

 

Collection Instructions:

1. Patient must be fasting at least 8 - 14 hours prior to testing.

2. Give patient a 75 g dose of glucose beverage,

     noting time of ingestion (patient must drink

     entire beverage within 5 minutes).

3. Collect specimens at 2 hours post ingestion of

     glucose beverage.

4. Label specimens with patient’s full name, date of birth,

     date & time of collection, and person collecting.

 

Reference Values

An interpretive report will be provided.

 

Stability

Refrigerated: 3 Days

 

Day(s) Performed

Daily

Analytical Time: 1 Day

 

Aliases

Glucose Tolerance (2 Hour)

Glucose Tolerance

Glucose

 

Test Classification and CPT Coding

82951