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HelpTest Code POC PT/INR Point of Care PT/INR
Additional Codes
POC15
Collection Method
- Fingerstick
- Venipuncture
Minimum Volume
Not defined for this assay
Container
• Capillary
• Venous whole blood in an anticoagulant-free plastic syringe
Acceptable Specimens
• Capillary blood
• Venous whole blood
Reference or Target Ranges
The ordering provider must determine the best INR level depending on the reason for anticoagulant treatment and how each individual responds to treatment. For patients taking warfarin, an INR of 2.0 to 3.0 is generally considered an effective therapeutic range.
| INR | Required Action |
| Establishing new patients | Send to CPH for confirmatory testing |
| >/= 4.0 | Send to CPH for confirmatory testing |
| >/= 6.0 | Repeat POC test and send to CPH for confirmatory testing |
| > 1.0 change since last visit | Repeat POC test and send to CPH for confirmatory testing |
| >/= 0.5 difference between two consecutive tests. (same visit) | Send to CPH for confirmatory testing |
|
Any unexplained clinically significant change Significant change, but now in therapeutic range <0.8 |
Repeat POC test and send to CPH for confirmatory testing Repeat test, if it confirms, Report Result. Repeat POC test and send to CPH for confirmatory testing |
Reportable Units
Not defined for this assay
Critical Value
INR >6
Reasons for Rejection
| QNS, contaminated, improperly Labeled, improper specimen type |
Specimen Stability
• Capillary blood – 15 seconds
• Venous whole blood – 30 seconds
Performance Information
| Days and Time Performed | 24/7 |
| Performing Bench | CPH Point of Care |
| Methodology/Method Description | CoaguChek XS Plus |
CPT Codes
85610
Last review/edit date
2025