Certain Diagnosis Codes Not Allowed on NGHP MSP Records

40.10.1 - Certain Diagnosis Codes Not Allowed on NGHP MSP Records (Rev. 12078; Issued:06-14-23; Effective: 05-29-23; Implementation: 05-29-23) There are certain diagnosis codes that systems must not apply to MSP Type 14, CWF MSP Type D No-Fault records and MSP Type 14, CWF MSP Type L Liability records and MSP Type 15, CWF Type E or W, Workers’ Compensation records. In order for these MSP claims not to deny and process correctly, the CWF must only allow those diagnosis codes related to the accident or injury. CMS has provided a comprehensive list of diagnosis codes that apply and do not apply to NF, L or WC MSP records. The list of diagnosis codes and excluded diagnosis codes may be found at the Coordination of Benefits Overview website at https://www.cms.gov/medicare/coordination-benefits- recovery-overview/icd-code-lists.