Gastroenterology billing and accounts receivable

Screening versus diagnostic colonoscopy is a coding decision in GI that changes what the patient owes, and it has to be made again every time a screening finds something.

Where the money leaks in gastroenterology

These are the recurring denial reasons in this specialty. They are not exotic. They are the ordinary ones that go unworked because the person who could fix them is at the front desk answering a phone.

• Screening colonoscopy converted to diagnostic without modifier PT or 33
• Anesthesia for endoscopy denied as not medically necessary
• Pathology billed by the wrong entity
• Repeat procedures inside the screening interval
• Moderate sedation billed alongside a code that includes it

What a seat does about it

One trained person works your queue from the difficult end, from our office in Rawalpindi, Pakistan, logged into your own system on your hours. Every call is logged with the payer reference number and the outcome, so an appeal can quote what was said rather than start again. Denials are categorised, which is how the same reason stops coming back next month. On Friday you get it in writing. Some payer contracts and some state Medicaid programs restrict or require disclosure of offshore access — check yours before placing a restricted queue on this seat (more on /security/).

The roles that matter most in this specialty are AR calling and denials at $1,700, prior authorization at $1,900, and medical coding at $2,500, on request.

The codes those turn into

Each of these is a denial code you are likely to meet working gastroenterology, matched to the problem above it in your own words. The route back to payment differs by code, so a queue sorted by recovery route clears faster than one sorted by date.

• CO-4 — Modifier and code disagree
  The code and the modifier disagree, or a modifier the payer required was not there.
  Recovered by being corrected and resubmitted. Matched from: “Screening colonoscopy converted to diagnostic without modifier PT or 33”
• CO-50 — Not deemed medically necessary
  The payer does not accept that the documentation supports the service. This is a clinical argument, not a clerical one.
  Recovered by being appealed with clinical documentation. Matched from: “Anesthesia for endoscopy denied as not medically necessary”

Working a denied claim costs $57.23 per denied claim in administrative time (source), and payers ultimately pay roughly 90% of claims even while using an initial denial to slow payment. Most of what sits in a gastroenterology AR bucket is not lost money. It is money waiting for somebody with the hours to make the call.

Questions