Modifier AW
Modifier AW Description and Billing Use
Plain-language description
Surgical dressing relationship modifier where applicable.
How modifier AW is used
AW identifies an item furnished in conjunction with a surgical dressing when the applicable policy requires it. Under the reviewed Medicare surgical-dressings article, its use is code- and situation-specific; it should not be appended broadly to all wound-care supplies.
Modifier AW questions
What does the AW modifier mean?
AW identifies an item furnished in conjunction with a surgical dressing when the applicable policy requires that relationship modifier.
Can AW be used on every wound-care supply?
No. Medicare's surgical-dressings policy gives code-specific instructions. Verify that the item and wound circumstance fit the policy before reporting AW.
Before reporting this modifier
- 1. Confirm the current official or licensed definition and payer acceptance.
- 2. Identify the exact claim circumstance the modifier communicates.
- 3. Make the code, setting, related services, and medical record consistent.
- 4. Check NCCI, global surgery, component, DME, ABN, or drug rules that apply.
- 5. Do not append a modifier only to force an edit override.
This is a workflow summary, not a licensed CPT definition or claim-specific coding instruction. Verify the code set and payer rule effective for the date of service.