Clinical Background. Prothrombin, or factor II, is the precursor of thrombin; as such, it plays a key role in the balance between procoagulation and anticoagulation. A prothrombin genetic variant known as 20210G A is associated with elevated levels of prothrombin and with thrombophilia.
The CPT codebook should be updated every 3-5 years. In a concise statement, ICD-9 is the code used to describe the condition or disease being treated, also known as the diagnosis. CPT is the code used to describe the treatment and diagnostic services provided for that diagnosis.
(Does not apply to inpatient per diem, DRG, or case rates.) HPHC reserves the right to amend a payment policy at its discretion. CPT and HCPCS codes are updated annually. Always use the most recent CPT and HCPCS coding guidelines. 2 The table may not include all provider claim codes related to surgery.