Is Sunlighten Infrared Sauna FSA/HSA Eligible?

LETTER OF MEDICAL NECESSITY Date: [DATE] To Whom It May Concern, I am writing to certify that Sunlighten Infrared Sauna is medically necessary for my patient: Patient Name: [PATIENT NAME] Date of Birth: [DOB] Diagnosis: [ICD-10 CODE AND DESCRIPTION] Medical Justification: Requires diagnosis of chronic pain, cardiovascular condition, skin disorder (psoriasis, eczema), or detoxification need. Infrared therapy prescribed as treatment. I have prescribed this item as part of the patient's treatment plan, and it is not for general health or cosmetic purposes. If you have any questions, please contact my office. Sincerely, [PHYSICIAN SIGNATURE] [PHYSICIAN NAME, MD] [PRACTICE NAME] [NPI NUMBER] [PHONE NUMBER]