CO-200: Expenses Incurred During Lapse in Coverage
Verify coverage status. If information was wrong, correct and resubmit. If truly lapsed, redirect the balance to the patient.
What Does CO-200 Mean?
With CO (Contractual Obligation), the coverage lapse is treated as a contractual issue. Verify the patient's coverage status and correct any insurance information errors. If coverage was active, appeal with proof. If the lapse is confirmed, redirect the balance to the patient.
CARC 200 indicates that the patient did not have active insurance coverage during the period when the service was rendered. The coverage may have lapsed due to non-payment of premiums, terminated due to job loss or aging out, or the service may have fallen in a gap between two coverage periods.
This code differs from general eligibility denials because it specifically identifies a lapse period — a time when coverage should have been or previously was active but was not on the specific date of service. It can also appear when incorrect or outdated insurance information was submitted, making it appear the patient had no coverage when they actually did.
Common Causes
| Cause | Frequency |
|---|---|
| Patient's insurance coverage lapsed due to non-payment of premiums The patient failed to pay insurance premiums on time, causing the coverage to lapse before the date of service | Most Common |
| Services rendered during a waiting period The service was delivered before the patient's coverage eligibility began under a new plan | Common |
| Coverage terminated before date of service The patient's coverage ended (due to job loss, aging out, or other reason) before the service was provided | Common |
| Incorrect insurance information on file Outdated or incorrect policy numbers or coverage dates were submitted, making it appear the patient had no active coverage | Common |
| Gap between old and new coverage The patient transitioned between insurance plans and the service fell in the gap period between termination and new effective date | Occasional |
How to Resolve
- Verify coverage dates Confirm the patient's actual coverage dates and compare to the date of service.
- Correct insurance information if wrong If the patient had active coverage under different information, update and resubmit.
- Check for retroactive options Determine if COBRA or retroactive enrollment can cover the service date.
- Appeal with coverage proof If coverage was active, submit proof and request reprocessing.
Appeal if you can document that the patient had active coverage on the date of service. Include proof of coverage such as the insurance card, eligibility verification records, or confirmation from the payer that coverage was active. If the patient has retroactive coverage or COBRA election, include that documentation.
Common RARC Pairings
The RARC code tells you exactly what triggered the CO-200:
| RARC | Description |
|---|---|
| N130 | Consult plan benefit documents/guidelines for coverage of this service. Review the patient's plan documents to verify coverage dates and any grace period provisions → |
| N29 | Missing or incomplete explanation of coverage lapse. Obtain and submit documentation explaining the coverage gap → |
How to Prevent CO-200
- Verify patient insurance eligibility and active coverage status before every visit using real-time electronic eligibility verification
- Confirm coverage effective dates and any waiting periods during patient registration
- Update patient insurance information at every visit to catch changes in coverage status
- Implement automated eligibility checks in your practice management system
- Educate patients about the importance of maintaining continuous coverage and paying premiums on time
- Check for COBRA or marketplace coverage options when a patient's employer coverage has recently ended
Also Filed As
The same CARC 200 may appear with different Group Codes:
Related Denial Codes
Sources
- https://x12.org/codes/claim-adjustment-reason-codes
- https://www.mdclarity.com/denial-code/200
- https://portal.ct.gov/-/media/ohs/health-it-advisory-council/apcd-advisory-group/data-submission-guide-workgroup/meeting-materials/6-30-22/carc-codes_final.pdf
- Codes maintained by X12. Visit x12.org for official definitions.