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Answer: Pulmonologists should use 444.9 for an arterial embolism and thrombosis of unspecified artery. But if possible, the physician should specify the embolisms location. For example, you should use 444.1 for an arterial embolism and thrombosis of thoracic aorta if possible, instead of 444.9. A more specific diagnosis code always increases the chance that you wont be denied.
Answered by Susan Callaway, CPC, CCS-P, an independent coding consultant and educator in North Augusta, S.C.