Health Net Federal Services and Humana Military are honoring authorizations and referrals issued by the previous TRICARE contractors through their 2018 expiration dates. There is no action needed for these already-approved requests. If your referral or authorization expired prior to 1/1/18, your provider can submit updated requests to your new TRICARE contractor.

• If you are in the West RegionAlaska, Arizona, California, Colorado, Hawaii, Idaho, Iowa (excludes Rock Island arsenal area), Kansas, Minnesota, Missouri (except St. Louis area), Montana, Nebraska, Nevada, New Mexico, North Dakota, Oregon, South Dakota, Texas (southwestern corner including El Paso), Utah, Washington and Wyoming., visit TRICARE West for more information.
• If you are in the East RegionUnder the new regional contracts, the East Region is a merger of the North and South Regions and includes: Alabama, Arkansas, Connecticut, Delaware, the District of Columbia, Florida, Georgia, Illinois, Indiana, Iowa (Rock Island area), Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Mississippi, Missouri (St. Louis area), New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas (excluding El Paso area), Vermont, Virginia, West Virginia, and Wisconsin., visit TRICARE East for more information.