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Test Name

PTT-LA with Reflex to Hexagonal Phase Confirmation

CPT Code(s)

85730

Includes

If PTT-LA Screen is prolonged (>40 seconds), Hexagonal Phase Confirmation will be performed at an additional charge (CPT code(s): 85598).

Methodology

Clot Detection

Reference Range(s)

≤40 seconds

To view specimen requirements and codes please Select a regional laboratory.

Not sure which laboratory serves your office? Call us 866-MYQUEST (866-697-8378)

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.

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PTT-LA with Reflex to Hexagonal Phase Confirmation
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