Mutual of Omaha 454127: Group Critical Illness Claim

Mutual of Omaha uses this 12-page claim for group critical illness and specified disease benefits. The employee selects the illness or procedure from a long list and attaches test results or records. The attending physician completes Section 4: diagnosis with ICD code, diagnosis and first consultation dates, surgery with CPT codes, hospital stays, and primary care and other treating physicians.

Who completes it

The employee completes Section 1 and the authorizations, and the employer completes Section 3. The attending physician completes and signs Section 4; Section 2, physician, hospital and medication history, is required for claims within the first year of coverage.

Submitting and payment

How to submit it
The claim is faxed or emailed to Mutual of Omaha's group critical illness unit, or the employee files online.
Who pays
Mutual of Omaha states all parts of the form are to be completed without expense to the underwriting company.

Good to know

  • Some illnesses list required evidence: pathology report and TNM, Rai, Binet, Clark or Breslow staging for cancer, neuroimaging for stroke, and UNOS listing for major organ failure.
  • For acute respiratory distress syndrome, the form asks for P/F ratio, oxygenation index, PCWP or Murray LIS, with arterial blood gas and X-ray.
  • Section 4 asks whether the attending physician is related to the patient, and for the physician's specialty, degree, board certifications and tax ID.
  • Health screening benefits use a separate Group Health Benefit Screening Claim Form, 606025, and the authorization is form 454121.

Get the official form

Download the current version from the source each time; forms change without notice.

Group Critical Illness/Specified Disease Claim Form

How this list is checked

A form is listed only after its name and number were confirmed on the issuing agency’s or insurer’s own website, or in the form itself. Each entry links to that source. The list was last checked in October 2026. Forms and their requirements change without notice, so check the official page for the current version before you complete one.

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Frequently asked questions

What does the doctor complete on Mutual of Omaha's critical illness claim?

Section 4, the Attending Physician Statement, asks for the ICD code, diagnosis date, first consultation date, surgery with CPT-4 codes, prior similar illness, whether the patient is still under care, hospital admissions, primary care and other treating physicians, and the physician's specialty, degree, board certifications and tax ID.

Is Mutual of Omaha's group critical illness claim available in Spanish?

Yes. Mutual of Omaha posts a Spanish version of form 454127 alongside the English form. Both are listed for plan members in its online forms finder, under group critical illness claims.

What staging details does form 454127 ask for cancer?

For invasive cancer or carcinoma in situ, the claim lists the pathology report, a clinical diagnosis only if pathological diagnosis is not possible, and the surgical report, with fields for TNM stage, Rai or Binet stage, Clark level and Breslow thickness.