56 modifier cpt

Modifier 56 – Description, Billing Guidelines & Reimbursement

Looking for information on how to bill modifier 56? Underneath the description, coding guidelines and reimbursement of this modifier.

Description Of Modifier 56

The 56 modifier can be used or preoperative management only.

When one physician performed the preoperative care and evaluation and another physician performed the surgical procedure, the preoperative component may be identified by adding the 56 modifier to the usual procedure number.

Coding Guidelines For The 56 Modifier

Use modifier 56 with surgical codes only to indicate that only the pre-operative care was performed.

Do not submit modifier 56 on CPT codes that has 0 days Global period. For example CPT 45378 (Colonoscopy diagnostic)

Do not submit modifier 56 on E & M services.

Do not submit modifier 56 along with other Global Surgical split billing modifiers 54 and 55.

Do not submit 56 modifier along with modifiers 80 (Assistant Surgeon), 81 (Minimum Assistant Surgeon), 82 (Assistant Surgeon when qualified resident surgeon not available) and AS (Physician Assistant, Nurse Practitioner, or Clinical Nurse Specialist services for assistant-at-surgery, non-team member)


Medicare does not recognize the use of Modifier 56 though Medicare physician Fee schedule database contains a field that shows a percentage of 10 % of the actual allowed amount if a physician performed only the Pre-operative portion of a surgery.

All major commercial insurances will follow these CMS designations and the reimbursement will be 10 % for the Pre-operative portion of the surgery that has a Global Days field equal to 010 or 090 on the Medicare Physician Fee Schedule Relative Value file.

Related Links

Modifier -54 Surgical Care Only – Usage and Reimbursement

Modifier -55 Postoperative Management Only – Usage and Reimbursement

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