CO 150: Level of Service Not Supported
The payer says the records do not support the level of service billed.
Check the note against the level billed (medical decision making or total time). If it supports it, appeal with the note.
See a finished review first
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- No BAA
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What CO 150 means
CO: Contractual obligation. The provider absorbs it and cannot bill the patient.
So the balance cannot move to the patient. Either the appeal recovers it or the practice absorbs it. That makes the appeal decision the whole decision on this line.
Is It Worth Appealing?
Usually recoverable. Appeal it. The money is usually there.
Why It Fires
In the order we see it.
The payer reviewed the visit and decided the note supports a lower E/M level.
The note does not state the total time, or the decision-making elements are not clear from it.
How to Appeal CO 150, Step by Step
Check the note against the level billed (medical decision making or total time). If it supports it, appeal with the note.
- 1Step 1: Read the remark code. Find the remark code printed next to CO 150 on the 835 or EOB. It says what the payer wants back.
- 2Step 2: Find the cause. Match the denial to one of the 2 causes in Why It Fires above, and fix that one.
- 3Step 3: Take the first action. Check the note against the level billed (medical decision making or total time). If it supports it, appeal with the note.
- 4Step 4: Attach the documentation. The visit note, with the problems addressed, the data reviewed and the risk of the treatment chosen. The total time on the date of the visit, if the level was chosen by time.
- 5Step 5: Send the appeal before the deadline. Send it to the payer with the claim, the denial and the documentation, inside the payer's appeal window. See what an appeal letter must contain and the filing limits by payer.
The common mistake. Do not appeal a level the note does not support. Read the note first. If it supports the lower level, accept it and fix the template upstream.
Free: the Denial Code Appeal Playbook. 53 codes on one sheet: appeal, fix and resubmit, or let it go, and what to attach. Get the playbook
CO 150 description
The payer says the records do not support the level of service billed.
The payer says the records do not support the level of service billed. So the balance cannot move to the patient. Either the appeal recovers it or the practice absorbs it. That makes the appeal decision the whole decision on this line.
This is our plain-English wording, not the official X12 text. X12 asserts copyright over the published descriptions, so we write our own and say what it means for the money rather than restating the code.
Where this comes from. This is our own reading of the code, not the payer's and not a copy of the standards text. We classify it from how these denials actually resolve. Where we are unsure, we say so rather than guessing.
Related Codes
Your Questions Answered
What does CO 150 mean?
The payer says the records do not support the level of service billed. Contractual obligation. The provider absorbs it and cannot bill the patient.
Can you appeal CO 150?
Usually recoverable. Check the note against the level billed (medical decision making or total time). If it supports it, appeal with the note.
Why does CO 150 happen?
The payer reviewed the visit and decided the note supports a lower E/M level. The note does not state the total time, or the decision-making elements are not clear from it.
What documentation wins a CO 150 appeal?
The visit note, with the problems addressed, the data reviewed and the risk of the treatment chosen. The total time on the date of the visit, if the level was chosen by time.
How do I appeal a CO 150 denial?
Step 1: Read the remark code. Find the remark code printed next to CO 150 on the 835 or EOB. It says what the payer wants back. Step 2: Find the cause. Match the denial to one cause: The payer reviewed the visit and decided the note supports a lower E/M level. The note does not state the total time, or the decision-making elements are not clear from it. Step 3: Take the first action. Check the note against the level billed (medical decision making or total time). If it supports it, appeal with the note. Step 4: Attach the documentation. The visit note, with the problems addressed, the data reviewed and the risk of the treatment chosen. The total time on the date of the visit, if the level was chosen by time. Step 5: Send the appeal before the deadline. Send it to the payer with the claim, the denial and the documentation, inside the payer's appeal window.
Most searched: CO 97 · CO 96 · OA 23 · PR 204 · CO 109 · CO 197 · CO 45 · CO 50
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