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- Phlebotomist
- Updates
| GTT Pregnancy | - |
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Measure glucose tolerance in pregnancy |
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Synonym | See updates |
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Test Code | CDBIOPR0013 |
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Test Type | Biochemistry |
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Pre-Test Condition | See updates |
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Report Availability | 1 D(s) |
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# Test(s) | Multiple |
| Test details | Sample Report |
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| GTT Pregnancy |
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Synonym | See updates | |
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Test Code | CDBIOPR0013 | |
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Test Category | Gestational diabetes | |
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Pre-Test Condition | See updates | |
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Medical History | See updates | |
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Report Availability | 1 D(s) | |
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Specimen/Sample | Serum; 2 mL; SST | |
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Stability @21-26 deg. C | 6 Hr(s) | |
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Stability @ 2-8 deg. C | 7 D(s) | |
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Stability @ Frozen | 1 M(s) | |
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# Test(s) | Multiple | |
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Processing Method | Spectrophotometry | |
| **Glucose Tolerance Test GTT 3 Samples 75 gm Pregnancy Glucose Orally****FDA Status**: Standard laboratory procedure under CLIA; no specific FDA approval required.**Other Names**: Pregnancy GTT, Gestational Diabetes Test.**Historical Breakthrough**: Developed in the 1970s to diagnose gestational diabetes, advancing obstetrics.**Key Purpose and Impact**: Measures glucose at fasting, 1, and 2 hours after 75g glucose to diagnose gestational diabetes.**Preparation and Patient History**: Fasting blood, then 75g glucose; report pregnancy history or diabetes risk.**Consent Requirement**: Standard consent for diagnostic testing.**Clinical Value**: Sensitivity ~95%; specificity ~95%; detects gestational diabetes in ~80% of cases; guides therapy.**References Cited**: Testing.com Prenatal Tests 2023; Labcorp GTT Pregnancy Test 2025; UpToDate Gestational Diabetes 2025 |