Metanephrines in Urine - HPLC

Order No.: 2020-B, for 100 tests
Parameters:
3-Methoxytyramine, Metanephrine, Normetanephrine

No pH adjustment after acidic hydrolysis
Only 1 sample clean up column required
Suitable for automated sample preparation

Assay validated according to IVDR (=> Declaration of Conformity)

3-Methoxytyramine

Metanephrine

Normetanephrine

Clinical relevance
This assay allows the simultaneous quantitative determination of total (sum of free and conjugated metabolites) metanephrine, normetanephrine and 3-methoxytyramine in human urine samples by HPLC.

It is intended to be used for patients in whom the urinary levels of total normetanephrine, total metanephrine and total 3-methoxytyramine are of clinical importance, primarily as an aid to diagnosis and monitoring of suspected pheochromocytoma and paraganglioma.

Furthermore, it is intended for patients in whom the urinary levels of total normetanephrine and total 3-methoxytyramine are of clinical importance, as an aid to diagnosis and monitoring of suspected neuroblastoma.

 

Assay characteristics
Sample preparation is carried out manually or semi-automated on ASPEC® (simple liquid handling system), and analytic separation is done via high performance liquid chromatography with electrochemical detection (HPLC-ECD). The use of specific internal standards ensures high precision and reliability in quantitation of the analytes.

The assays 2020-C and 6000-C are available as alternative methods that allow the combined determination of catecholamines and metanephrine with one column.

Detailed performance evaluation data can be found in Appendices II and III of the instruction manual.

 

Two types of kits available

Basic Kit
• Only sample preparation reagents and sample clean up tubes included
• No excess quantities of mobile phase and calibrators

2020-BK Basic Kit
For 100 sample preparations

2024 Internal Standard, 10 mL (1x)
2025 Neutralisation Buffer, 300 mL (2x)
2026 Wash Buffer, 250 mL (2x)
2027 Elution Buffer, 250 mL (2x)
2028 Sample Clean Up Columns, 100 pcs. (1x)

Reagent Kit
• Mobile phase and calibrator included
 

2020-B Reagent Kit
For 100 tests

2024 Internal Standard, 10 mL (1x)
2025 Neutralisation Buffer, 300 mL (2x)
2026 Wash Buffer, 250 mL (2x)
2027 Elution Buffer, 250 mL (2x)
2028 Sample Clean Up Columns, 100 pcs. (1x)
2021 Mobile Phase, 1000 mL (1x)
2033 Analytes Mix, 10 mL (1x)
More Information
Method of Analysis HPLC
Number of Tests 100
Please note The information listed here, including the sample preparation, is not sufficient for using the product. Please read the information provided in the instruction manual, which includes detailed information on limitations associated with the use of the product in line with its intended purpose. Detailed performance evaluation data can be found in Appendices II and III of the instruction manual.
Lower and Upper Limit of Quantitation

Normetanephrine: 4.5 µg/L – 3000 µg/L
Metanephrine: 7.3 µg/L – 5900 µg/L
3-Methoxytyramine: 9.9 µg/L – 5900 µg/L

Specimen 24-hour urine. Alternatively spot urine may also be used. In this case, results must be related to creatinine.
Sample Preparation

The information on the manual sample preparation presented here is not sufficient for use in the laboratory. For a detailed step by step description, please refer to the instruction manual.

Acidic hydrolysis
• Pipette 100 µL Internal Standard into a sealable hydrolysis tube.
• Add 1 mL sample/calibrator/control.
• Adjust pH using 2 N HCl.
• Seal the tube and incubate at 95°C for 30 min, then cool down.

Neutralisation
• Add 6 mL Neutralisation Buffer to the hydrolysed urine.

Extraction
• Agitate the Sample Clean Up Column.
• Take off the column cap and remove the sealing nipple.
• Allow the equilibration buffer to flow through completely, discard effluent.
• Apply the entire urine dilution onto the Sample Clean Up Column, allow to flow through, discard effluent.
• Wash with 10 mL high-purity water, discard effluent.
• Wash with 5 mL Wash Buffer, discard effluent.
• Add 5 mL Elution Buffer to the Sample Clean Up Column and collect the eluate into a suitable vial.

Continued sample preparation prior to injection
• Add 150 µL glacial acetic acid to the eluate, mix briefly.
• Inject 20 µL of the eluate into the HPLC system.

 

For the semi-automated sample preparation with the Gilson® ASPEC®, please refer to the instruction manual.

Run Time 15 min (Internal Standard 2024) --- 20 min (Internal Standard High Resolution 2044/HR)
Injection Volume 20 µL (manual sample preparation)
Flow Rate 1.0 mL/min
Column Temperature +20 to +25 °C
Potential approx. +780 mV to +840 mV
Additional Info For the Chromsystems HPLC analysis of metanephrines in urine any isocratic HPLC system with electrochemical detector is suitable.
Parameters 3-Methoxytyramine, Metanephrine, Normetanephrine

Metanephrines in Urine - HPLC Reagent Kit (2020-B)
For 100 tests

Order No. Reagent Kit components (Quantities in kit)
2021 Mobile Phase, 1000 mL (1x)
2033 Analytes Mix, 10 mL (1x)
2024 Internal Standard, 10 mL (1x)
2025 Neutralisation Buffer, 300 mL (2x)
2026 Wash Buffer, 250 mL (2x)
2027 Elution Buffer, 250 mL (2x)
2028 Sample Clean Up Columns, 100 pcs. (1x)

 

Order No. Required components (not included in the Reagent Kit)
2120 HPLC Column, equilibrated, with test chromatogram, 1 pc.
2009 Urine calibration Standard, 5 x 5.0 mL (lyoph.)
0040 Endocrine Urine Control, Level I, 10 x 8.0 mL (lyoph.)
0050 Endocrine Urine Control, Level II, 10 x 8.0 mL (lyoph.)
2044/HR Internal Standard, High Resolution, 10 mL

 

Order No. Lab equipment
18010 Precolumn Cartridge 4/10, 1 pc.
18001 Precolumn Cartridge Holder 4/10, 1 pc.
15009 PEEK-encased Prefilter, 5 µm, 5 pcs.
15010 PEEK Prefilter Housing, 1 pc.
2010 Hydrolysis Tubes with Screw Caps, 50 pcs.
J0404 Autosampler Vials, amber glass, 100 pcs.
J0406 Crimp Caps with Natural Rubber/PTFE septa, 100 pcs.
J0601 Autosampler Vials, screw neck, amber glass, 1.5 ml, 100 pcs.
J0504 PP Screw-on caps, rubber/PTFE septa, 9 mm, 100 pcs.
J0410 PP Screw-on Caps, pierceable silicone/PTFE septa, 1.0 mm, 100 pcs.

 

The following components are included in the kit:
The following products are not included in the kit but are required for the application of the method:
As a customer please login or register to gain full access.

3-Methoxytyramine

Metanephrine

Normetanephrine

Clinical relevance
This assay allows the simultaneous quantitative determination of total (sum of free and conjugated metabolites) metanephrine, normetanephrine and 3-methoxytyramine in human urine samples by HPLC.

It is intended to be used for patients in whom the urinary levels of total normetanephrine, total metanephrine and total 3-methoxytyramine are of clinical importance, primarily as an aid to diagnosis and monitoring of suspected pheochromocytoma and paraganglioma.

Furthermore, it is intended for patients in whom the urinary levels of total normetanephrine and total 3-methoxytyramine are of clinical importance, as an aid to diagnosis and monitoring of suspected neuroblastoma.

 

Assay characteristics
Sample preparation is carried out manually or semi-automated on ASPEC® (simple liquid handling system), and analytic separation is done via high performance liquid chromatography with electrochemical detection (HPLC-ECD). The use of specific internal standards ensures high precision and reliability in quantitation of the analytes.

The assays 2020-C and 6000-C are available as alternative methods that allow the combined determination of catecholamines and metanephrine with one column.

Detailed performance evaluation data can be found in Appendices II and III of the instruction manual.

 

Two types of kits available

Basic Kit
• Only sample preparation reagents and sample clean up tubes included
• No excess quantities of mobile phase and calibrators

2020-BK Basic Kit
For 100 sample preparations

2024 Internal Standard, 10 mL (1x)
2025 Neutralisation Buffer, 300 mL (2x)
2026 Wash Buffer, 250 mL (2x)
2027 Elution Buffer, 250 mL (2x)
2028 Sample Clean Up Columns, 100 pcs. (1x)

Reagent Kit
• Mobile phase and calibrator included
 

2020-B Reagent Kit
For 100 tests

2024 Internal Standard, 10 mL (1x)
2025 Neutralisation Buffer, 300 mL (2x)
2026 Wash Buffer, 250 mL (2x)
2027 Elution Buffer, 250 mL (2x)
2028 Sample Clean Up Columns, 100 pcs. (1x)
2021 Mobile Phase, 1000 mL (1x)
2033 Analytes Mix, 10 mL (1x)
More Information
Method of Analysis HPLC
Number of Tests 100
Please note The information listed here, including the sample preparation, is not sufficient for using the product. Please read the information provided in the instruction manual, which includes detailed information on limitations associated with the use of the product in line with its intended purpose. Detailed performance evaluation data can be found in Appendices II and III of the instruction manual.
Lower and Upper Limit of Quantitation

Normetanephrine: 4.5 µg/L – 3000 µg/L
Metanephrine: 7.3 µg/L – 5900 µg/L
3-Methoxytyramine: 9.9 µg/L – 5900 µg/L

Specimen 24-hour urine. Alternatively spot urine may also be used. In this case, results must be related to creatinine.
Sample Preparation

The information on the manual sample preparation presented here is not sufficient for use in the laboratory. For a detailed step by step description, please refer to the instruction manual.

Acidic hydrolysis
• Pipette 100 µL Internal Standard into a sealable hydrolysis tube.
• Add 1 mL sample/calibrator/control.
• Adjust pH using 2 N HCl.
• Seal the tube and incubate at 95°C for 30 min, then cool down.

Neutralisation
• Add 6 mL Neutralisation Buffer to the hydrolysed urine.

Extraction
• Agitate the Sample Clean Up Column.
• Take off the column cap and remove the sealing nipple.
• Allow the equilibration buffer to flow through completely, discard effluent.
• Apply the entire urine dilution onto the Sample Clean Up Column, allow to flow through, discard effluent.
• Wash with 10 mL high-purity water, discard effluent.
• Wash with 5 mL Wash Buffer, discard effluent.
• Add 5 mL Elution Buffer to the Sample Clean Up Column and collect the eluate into a suitable vial.

Continued sample preparation prior to injection
• Add 150 µL glacial acetic acid to the eluate, mix briefly.
• Inject 20 µL of the eluate into the HPLC system.

 

For the semi-automated sample preparation with the Gilson® ASPEC®, please refer to the instruction manual.

Run Time 15 min (Internal Standard 2024) --- 20 min (Internal Standard High Resolution 2044/HR)
Injection Volume 20 µL (manual sample preparation)
Flow Rate 1.0 mL/min
Column Temperature +20 to +25 °C
Potential approx. +780 mV to +840 mV
Additional Info For the Chromsystems HPLC analysis of metanephrines in urine any isocratic HPLC system with electrochemical detector is suitable.
Parameters 3-Methoxytyramine, Metanephrine, Normetanephrine

Metanephrines in Urine - HPLC Reagent Kit (2020-B)
For 100 tests

Order No. Reagent Kit components (Quantities in kit)
2021 Mobile Phase, 1000 mL (1x)
2033 Analytes Mix, 10 mL (1x)
2024 Internal Standard, 10 mL (1x)
2025 Neutralisation Buffer, 300 mL (2x)
2026 Wash Buffer, 250 mL (2x)
2027 Elution Buffer, 250 mL (2x)
2028 Sample Clean Up Columns, 100 pcs. (1x)

 

Order No. Required components (not included in the Reagent Kit)
2120 HPLC Column, equilibrated, with test chromatogram, 1 pc.
2009 Urine calibration Standard, 5 x 5.0 mL (lyoph.)
0040 Endocrine Urine Control, Level I, 10 x 8.0 mL (lyoph.)
0050 Endocrine Urine Control, Level II, 10 x 8.0 mL (lyoph.)
2044/HR Internal Standard, High Resolution, 10 mL

 

Order No. Lab equipment
18010 Precolumn Cartridge 4/10, 1 pc.
18001 Precolumn Cartridge Holder 4/10, 1 pc.
15009 PEEK-encased Prefilter, 5 µm, 5 pcs.
15010 PEEK Prefilter Housing, 1 pc.
2010 Hydrolysis Tubes with Screw Caps, 50 pcs.
J0404 Autosampler Vials, amber glass, 100 pcs.
J0406 Crimp Caps with Natural Rubber/PTFE septa, 100 pcs.
J0601 Autosampler Vials, screw neck, amber glass, 1.5 ml, 100 pcs.
J0504 PP Screw-on caps, rubber/PTFE septa, 9 mm, 100 pcs.
J0410 PP Screw-on Caps, pierceable silicone/PTFE septa, 1.0 mm, 100 pcs.

 

The following components are included in the kit:
The following products are not included in the kit but are required for the application of the method:
As a customer please login or register to gain full access.