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Test Name:

C-REACTIVE PROTEIN, HIGH SENSITIVITY

Test Code:

2127196

Alias:

Cardiac C-Reactive Protein
Cardiac CRP
CRP High Sensitivity
CRP Hs
HsCRP
LAB150

CPT Code(s):

86141

Preferred Specimen:

1.0 mL serum

Container:

SST (gold)

Alternate Container:

Lithium Heparin (lt green)

Minimum Volume:

0.4 mL serum or plasma
This volume does not allow for repeat testing.

Collection Instructions:

Allow specimen to completely clot (this can take up to 60 minutes). Centrifuge for 15 minutes. If the specimen is collected in a tube without a gel barrier, centrifuge and transfer the plasma into a properly labeled transfer tube within 2 hours of collection..

Transport Temperature:

Refrigerated

Stability:

Room Temperature: 11 days

Refrigerated: 2 months

Frozen: 3 years

Limitations:

In very rare cases, gammopathy, in particular type IgM (Waldenström’s macroglobulinemia), may cause unreliable results.

Schedule:

Set up: Daily; Results in 24-48 hours

Method:

Particle Enhanced Immunoturbidimetric Assay

Clinical Significance:

Measurement of C-reactive protein aids in the evaluation of stress, trauma, infection, inflammation, surgery, and associated diseases as part of the body’s non-specific inflammatory response to infection or injury. Cardiac CRP assays are indicated for use as an aid in the identification and stratification of individuals at risk for future cardiovascular disease. When used in conjunction with traditional clinical laboratory evaluation of acute coronary syndromes, CRP may be useful as an independent marker of prognosis for recurrent events in patients with stable coronary disease or acute coronary syndrome. A prognostic value for measuring CRP has been suggested from studies with cardiac patients where elevated levels of CRP were associated with a higher risk of having a future cardiac event. Elevated levels of CRP have been associated with poor prognosis in cases of stable angina, unstable angina, and myocardial infarction

Use:

Updated 2/28/22

Reference Ranges:

Risk According to AHA/CDC Guidelines:

< 1.0 mg/L Low Cardiovascular Risk
>1.0 - <3.0 mg/L Average Cardiovascular Risk
>3.0 - <0.1 mg/L High Cardiovascular Risk
>10 mg/L Persistent Elevations May Represent Non-Cardiovascular

Reference Range Table

Result	Units	Gender	Age	Range
hsCRP	mg/L	Both	0 Year - 999 Year	0.00-3.00

Health Lab Test Code Build Information

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The CPT codes included in this publication are in accordance with Current Procedural Terminology, a publication of the American Medical Association. CPT codes are provided here for the convenience of our clients; however, correct coding often varies from one carrier to another, and HealthLab may bill specific carriers using codes other than those shown. Clients who bill for services should verify the code(s) with the applicable payor to confirm that their use is appropriate in each case.

Reference Range Table

Health Lab Test Code Build Information

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