Billing and insurance
MCO medical abbreviation
MCO means "managed care organization".
Each meaning matched at least two public references (2 in all for MCO), checked October 23, 2026. The table lists them.
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What MCO means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| managed care organization | None | Billing, Claims |
Example
Sample payer type: "MCO."
A made-up line that shows the abbreviation in place. It is not about any patient and is not an instruction.
Related abbreviations
Elsewhere on Rivvi
Questions
What does MCO mean in medical terms?
MCO means "managed care organization".
Where is MCO used?
MCO shows up in billing and claims. Its category here is billing and insurance.
Is MCO on the Joint Commission Do Not Use list?
No. MCO is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.