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A letter of medical necessity (LOMN) is a document from your licensed healthcare provider that recommends a particular treatment, product, or equipment for medical purposes. The letter often includes relevant patient history, medical needs, and the duration of the treatment.

Letter of medical necessity - This is a letter that must be signed by your doctor or eligible licensed health care provider to certify that the item or service is medically necessary.

(Blue Cross) and Maryland Medical Service (Blue Shield) changed their names to Maryland Blue Cross and Maryland Blue Shield. In 1998, the Maryland and District of Columbia companies merged to form CareFirst BlueCross BlueShield.

Tips for Requesting and Sending a Medical Necessity Letter Includes detailed identification for both patient and provider. Details the diagnosis, treatment, and relevant medical history. Explicitly affirms medical necessity and lack of a better or less costly alternative, citing supporting data and research if needed.

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The determination of medical necessity is made on the basis of the individual case and takes into account: Type, frequency, extent, body site and duration of treatment with scientifically based guidelines of national medical or health care coverage organizations or governmental agencies.

CareFirst BlueCross BlueShield Community Health Plan Maryland (CareFirst Community Health Plan Maryland or CareFirst CHPMD) is a Medicaid Managed Care Organization that participates in the Maryland HealthChoice Program. Carefirst CHPMD offers a health plan that combines personal attention with world-class healthcare.