High-Sensitivity Troponin I (hs-TnI)

CPT: 84484
Cardiovascular

What This Test Measures

Ultra-sensitive troponin I detecting myocardial injury earlier and at lower concentrations.

Preparation

No fasting required

General guidelines only. Requirements vary by lab and individual. Confirm with your provider before adjusting any medications.

Turnaround Time

Varies by lab

Clinical Notes

Standard of care in ED for acute MI; some DTC platforms offer for monitoring

ICD-10 Codes

Common diagnosis codes associated with this test. Codes are assigned by your provider.

E22.0Acromegaly and pituitary gigantism
E23.0Hypopituitarism
R62.50Unspecified lack of expected normal physiological development in childhood

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Lab Codes

Proprietary codes used by each lab for this test.

Mayo Clinic Labs
HSTNI(order_code)

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CPT: 86140

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CPT: 82552

CK-MB (Creatine Kinase, Cardiac Fraction)

CPT: 82553

CK, Total (Creatine Kinase / CPK)

CPT: 82550

For informational purposes only

This page is for educational and research purposes only and does not constitute medical advice, diagnosis, or treatment recommendations. ICD-10 and CPT codes are assigned by your healthcare provider. Always consult a qualified healthcare provider before ordering any lab test or making decisions about your health.