C-REACTIVE PROTEIN, HIGH SENSITIVITY

Mnemonic

CRPHS

Synonym

hsCRP

Guidelines

Use for assessment of cardiac risk.

Specimen Collection Requirements

Collect

Serum or Plasma, one 5.0 mL gold (SST) or 3.0 mL mint green (lithium heparin, PST) top tube

Handling

Allow serum to clot completely at room temperature (minimum: 30 minutes). Centrifuge and separate serum or plasma from cells ASAP.

Preferred Volume

1.0 mL

Minimum Volume

0.5 mL

Transport

Refrigerated (2-8°C)

Rejection Criteria

Grossly hemolyzed specimens

Stability

Serum or Plasma: Ambient (18-28 °C): < 4 hours; Refrigerated (2-8°C): < 3 days; Frozen (at or below -18 °C): < 6 months

Testing Information

Performed

7 days/week

Method

Immunoturbidimetry

Referral Lab

Samaritan Health Services Laboratories

Reference Values

Reference Values

Low relative risk: < 1.0 mg/L
Average relative risk: 1.0 - 3.0 mg/L
High relative risk: > 3.0 mg/L

CPT Codes

86141

Last Updated: Wednesday, December 4, 2019 11:26:57 AM