Mississippi Code Title 83. Insurance § 83-41-361

(1) Health maintenance organizations are permitted, but not required, to adopt coordination of benefits provisions to avoid overinsurance and to provide for the orderly payment of claims when a person is covered by two (2) or more group health insurance or health care plans.

(2) To the extent necessary for health maintenance organizations to meet their obligations as secondary carriers under the rules for coordination, health maintenance organizations shall make payments for services that are covered under the terms of their group contracts or evidence of coverage.