Collect

Na Heparin (dark green)

Storage/Transport Temperature

Transport to Metabolic lab at room temperature.

If sending a specimen from outside CHOP, send plasma on dry ice by overnight courier (Mon-Thurs only).

Volume Required

2.0 mL

Minimum Required

1.0 mL

Phlebotomy Draw

Yes

Collection Times

Collect specimens: Sunday-Saturday

Performing Lab

Metabolic Diagnostic Laboratory

Performed

Test performed once per week.

Methodology

LC-ESI-MS

Reported

3-9 Days

LIS Mnemonic

CDT

Available STAT

No

Reference Ranges

Transferrin Glycoform Ratios

Reference range

a/dG

<0.04

m/dG

<0.05

t/dG

<0.05

TS,TG / dG

<0.004

DS,DG / dG

<0.004

MS,MG / dG

<0.03

AS,AG / dG

<0.01

mG+Tetra / dG

<0.02

aG+Tetra / dG

<0.01

Linear/dG

<0.01

Mixed type-Mgal/dG

<0.01

Mixed type-Agal/dG

<0.01

Tri-GlcNAc/dG

<0.01

Hybrid2/dG

<0.01

Hybrid1/dG

<0.01

Mixed type-Agal/dG

<0.01

CPT Codes

82373

Billing (EAP) Codes

807153
Collection

Collect

Na Heparin (dark green)

Storage/Transport Temperature

Transport to Metabolic lab at room temperature.

If sending a specimen from outside CHOP, send plasma on dry ice by overnight courier (Mon-Thurs only).

Volume Required

2.0 mL

Minimum Required

1.0 mL

Phlebotomy Draw

Yes

Collection Times

Collect specimens: Sunday-Saturday
Ordering

Performing Lab

Metabolic Diagnostic Laboratory

Performed

Test performed once per week.

Methodology

LC-ESI-MS

Reported

3-9 Days

LIS Mnemonic

CDT

Available STAT

No
Result Interpretation

Reference Ranges

Transferrin Glycoform Ratios

Reference range

a/dG

<0.04

m/dG

<0.05

t/dG

<0.05

TS,TG / dG

<0.004

DS,DG / dG

<0.004

MS,MG / dG

<0.03

AS,AG / dG

<0.01

mG+Tetra / dG

<0.02

aG+Tetra / dG

<0.01

Linear/dG

<0.01

Mixed type-Mgal/dG

<0.01

Mixed type-Agal/dG

<0.01

Tri-GlcNAc/dG

<0.01

Hybrid2/dG

<0.01

Hybrid1/dG

<0.01

Mixed type-Agal/dG

<0.01
Administrative

CPT Codes

82373

Billing (EAP) Codes

807153

Requisition

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