CO-58 — Treatment location inappropriate for the service
Claim-adjustment reason code 58 · typically reported as CO-58
What it means
The payer says this item/service shouldn’t have been furnished in the location indicated.
Why DME claims hit it
- Home-use DME delivered while the patient was inpatient or in a Part A SNF stay
How to fix it
- Verify the patient’s facility status on the DOS (hospital/SNF census check)
- Bill the responsible facility under consolidated billing, or correct POS if it was a coding error
Appeal posture
Appeal with proof of actual residence/status on the DOS.
Related denial codes
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