Letter of Medical Necessity Template

[Provider Name or Practice Name]
[Provider Address]
[City, State, ZIP Code]
[Provider Email]
[Provider Phone Number]

Date: [Date]

To: [Insurance Company / Plan Administrator / Employer / Claims Department / Other Recipient]
[Recipient Address]
[City, State, ZIP Code]

Subject: Letter of Medical Necessity for [Patient Full Name]

Dear [Recipient Name or Claims Department],

1. Provider Information

I am [Provider Full Name], a [Professional Title] licensed in the state of [State], License Number [License Number, if applicable].

I am the treating provider for the patient identified below.

2. Patient Information

Patient Name: [Patient Full Name]
Date of Birth: [Date of Birth]
Member ID / Policy Number: [Number, if applicable]
Group Number: [Number, if applicable]

3. Medical Condition

The patient is currently under my care for the following diagnosis, condition, or medically relevant symptoms:

[Diagnosis, condition, or clinical description]

Relevant diagnosis code(s), if applicable: [ICD-10 Code(s)]

4. Requested Treatment, Service, or Item

I am recommending the following treatment, service, supply, equipment, or product:

[Describe the treatment, service, or item]

This recommendation relates to the following dates or treatment period:

[Start Date] to [End Date / ongoing if applicable]

5. Medical Necessity Statement

In my professional medical judgment, the treatment, service, or item described above is medically necessary for this patient.

It is recommended for the diagnosis, treatment, mitigation, management, or prevention of the patient’s condition and is not being prescribed or recommended primarily for general health, convenience, comfort, or personal preference.

6. Clinical Rationale

The medical necessity for this recommendation is based on the following clinical reasons:

• [Reason 1]

• [Reason 2]

• [Reason 3]

• [Reason 4, if applicable]

Without the requested treatment, service, or item, the patient may experience:

[Describe likely effects, limitations, risks, worsening symptoms, or treatment barriers]

7. Expected Duration

The expected duration of this treatment or need is:

• ☐ One-time

• ☐ Short-term until [Date]

• ☐ Ongoing for [Number] months

• ☐ Long-term / indefinite, subject to periodic reevaluation

8. Prior Treatment or Alternatives

If applicable, the following alternatives, prior treatments, or less intensive options have been considered, attempted, or found insufficient:

[Describe prior treatments, outcomes, or alternatives]

9. Cosmetic or Convenience Exclusion

If the requested treatment, item, or service could be misunderstood as cosmetic, elective, or convenience-related, I state that it is not cosmetic in nature and is being recommended for a legitimate medical purpose related to the patient’s condition.

10. Request for Approval or Reimbursement

I respectfully request that you approve, reimburse, authorize, or otherwise recognize the requested treatment, service, or item as medically necessary for this patient.

If additional medical records, chart notes, or supporting documentation are needed, please contact my office using the information listed above.

11. Signatures

Sincerely,

Signature: __________________________
Name: [Provider Full Name]
Title: [Professional Title / Specialty]
License Number: [License Number, if applicable]
Practice Name: [Practice or Facility Name]
Date: [Date]