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Test Directory » Homocysteine

Homocysteine

Order Code: HMCYS

Test Summary

Elevated levels of homocysteine are observed in patients at risk for coronary heart disease, stroke, and peripheral vascular disease (fatty deposits in peripheral arteries).

Aliases

  • Homocysteine Cardiac
  • Homocysteine Cardio

Specimen Collection

Special Instructions

N/A

Preferred Specimen

1 mL serum

Minimum Volume

1 mL

Instructions

Avoid hemolysis. Invert a minimum of 5 times then allow to clot in an upright position for 30 minutes. Centrifuge 10 minutes. Keep tightly stoppered.

Patient Preparation

N/A

Storage

Original tube preferred, may be sent in a screw-top transfer tube.

Transport Temperature

Refrigerated

Specimen Stability

  • Room Temperature = 4 days
  • Refrigerated = 4 weeks
  • Frozen = 10 months

Limitations

N/A

Other Acceptable Specimens

Serum only

Unacceptable Specimens

  • Hemolysis
  • Lipemia
  • Incorrect specimen type
  • Insufficient sample volume
  • Improper storage conditions
  • Exceeds specimen stability guidelines
  • Contaminated sample

Order Code

HMCYS

EPIC (Premier) Code

LAB5666

Includes

N/A

CPT Code

  • 83090

Billing Code

  • 500331

CPT Statement

CPT Statement

Methodology

Immunoassay (IA)

FDA Status

FDA Approved

Physician Attestation of Informed Consent

N/A

Testing Laboratory

CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine OH, 45439

Department

Chemistry

Reference Range

  • Males: 6.0-16.8 mcmol/L
  • Females: 4.9-14.8 mcmol/L

Setup Schedule / Expected Turnaround Time

24/7; Report available: Within 1 day of set up

Specimen Collection

Special Instructions

N/A

Preferred Specimen

1 mL serum

Minimum Volume

1 mL

Instructions

Avoid hemolysis. Invert a minimum of 5 times then allow to clot in an upright position for 30 minutes. Centrifuge 10 minutes. Keep tightly stoppered.

Patient Preparation

N/A

Storage

Original tube preferred, may be sent in a screw-top transfer tube.

Transport Temperature

Refrigerated

Specimen Stability

  • Room Temperature = 4 days
  • Refrigerated = 4 weeks
  • Frozen = 10 months

Limitations

N/A

Other Acceptable Specimens

Serum only

Unacceptable Specimens

  • Hemolysis
  • Lipemia
  • Incorrect specimen type
  • Insufficient sample volume
  • Improper storage conditions
  • Exceeds specimen stability guidelines
  • Contaminated sample

Billing

CPT Code

  • 83090

Billing Code

  • 500331

CPT Statement

CPT Statement

Result Information

Methodology

Immunoassay (IA)

Testing Laboratory

N/A

Reference Range

  • Males: 6.0-16.8 mcmol/L
  • Females: 4.9-14.8 mcmol/L

Setup Schedule / Expected Turnaround Time

24/7; Report available: Within 1 day of set up