CLIA Certification Number - Missing/Invalid
	
	
		
	
		
			| CARC/RARC | Description | 
	
	
		
			| CO-16 | Claim/service lacks information or has submission/billing error(s) which is needed for adjudication. | 
		
			| MA120 | Missing/incomplete/invalid CLIA certification number. | 
	
 
Common Reasons for Message
	- CLIA certification number billed in Item 23 of CMS-1500 Claim Form (or electronic equivalent) was either missing or invalid
- Incorrect qualifier was used on electronic claim
Next Step
	- Resubmit claim with valid CLIA certification number in Item 23 of CMS-1500 Claim Form
	
		- CLIA numbers are 10 digits with letter "D" in third position
 
- Resubmit with valid qualifier or CLIA certificate number on Electronic Claim
	
		- Qualifier to indicate CLIA certification number must be submitted as X4
- Review EDI training document on billing laboratory claims electronically
 
Claim Submission Tips
	- Apply for CLIA Certification prior to rendering lab services
- Review codes that require a CLIA certification number
- Qualifier is only required on electronic claims
 
    	
	
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