Bernadette10
Guru
Sharing some advice I got from an auditor that has been very helpful:
Medicare and Medicare Replacement:
Anesthesia for a screening colonoscopy is coded 00812 and the primary diagnosis is Z12.11.
Anesthesia for a colonoscopy that started as screening and becomes diagnostic is coded as 00811 with modifier PT. The primary diagnosis is Z12.11 followed by the diagnosis based on the findings (i.e. colon polyp K63.5).
Private Insurance:
Anesthesia for a screening colonoscopy is coded 00812 and the primary diagnosis is Z12.11.
Anesthesia for a colonoscopy that started as screening and becomes diagnostic is coded as 00811 with modifier 33. The primary diagnosis is Z12.11 followed by the diagnosis based on the findings (i.e. colon polyp K63.5).
Medicare and Medicare Replacement:
Anesthesia for a screening colonoscopy is coded 00812 and the primary diagnosis is Z12.11.
Anesthesia for a colonoscopy that started as screening and becomes diagnostic is coded as 00811 with modifier PT. The primary diagnosis is Z12.11 followed by the diagnosis based on the findings (i.e. colon polyp K63.5).
Private Insurance:
Anesthesia for a screening colonoscopy is coded 00812 and the primary diagnosis is Z12.11.
Anesthesia for a colonoscopy that started as screening and becomes diagnostic is coded as 00811 with modifier 33. The primary diagnosis is Z12.11 followed by the diagnosis based on the findings (i.e. colon polyp K63.5).