CPT 11721: Debridement of Nails, 6 or More
CPT 11721 reports debridement of 6 or more nails (toenails or fingernails) by any method in a single session. In 2026 Medicare pays about $45.09 non-facility and $21.38 facility, with a 000-day global period. Medicare requires Q modifiers to establish routine foot care coverage.
- Code type
- Surgical - debridement of 6 or more nails
- 2026 non-facility
- $45.09
- 2026 facility
- $21.38
- Global period
- 000 days
What is CPT 11721 used for?
CPT 11721 reports debridement of 6 or more nails by any method in a single session. In practice it is a podiatry code for thickened, dystrophic, or mycotic toenails that are ground down or trimmed to relieve pain and prevent complications, most often in diabetic and vascular patients.
It is a routine foot care service, which means coverage is conditional. Medicare pays for it only when a qualifying systemic condition makes the care medically necessary, and the claim must show that link.
How much does 11721 pay in 2026?
Under the 2026 Medicare fee schedule, 11721 allows about $45.09 non-facility and $21.38 facility.
| Setting | 2026 Medicare allowed |
|---|---|
| Non-facility (office) | ~$45.09 |
| Facility (hospital outpatient) | ~$21.38 |
Example: a podiatrist debrides all ten mycotic toenails on a diabetic patient with peripheral neuropathy. That is 6 or more nails, so you bill one unit of 11721 at about $45.09 with the correct Q modifier. Check your locality figure with the Medicare fee calculator.
How do Q modifiers unlock coverage?
Routine foot care is non-covered by default. The Q modifier tells Medicare that documented class findings establish a qualifying systemic condition:
- Document the qualifying systemic diagnosis and class findings.
- Append Q7 for one Class A finding, Q8 for two Class B, or Q9 for one Class B plus two Class C.
- Watch frequency limits, commonly once every 60 days for nail debridement.
When do you use 11720 instead?
The choice is purely a nail count. Debriding 1 to 5 nails is 11720; 6 or more is 11721. They are mutually exclusive, so never bill both for the same session. With a 000 global period, no post-op days are bundled. Because coverage rules are strict, confirm medical necessity and check whether your payer requires prior authorization; the NCCI edits govern pairing with same-day lesion debridement.
Frequently asked questions
In 2026 the national non-facility allowed amount is about $45.09, and the facility rate is about $21.38. Medicare pays 80 percent and the patient or secondary plan owes the 20 percent coinsurance after the deductible. Coverage depends on documented qualifying conditions and the correct Q modifier.
Routine foot care codes including 11721 require a Q modifier that matches the documented class findings: Q7 for one Class A finding, Q8 for two Class B findings, or Q9 for one Class B plus two Class C findings. Without a qualifying systemic condition and the right Q modifier, Medicare treats routine nail care as non-covered.
11720 is debridement of 1 to 5 nails; 11721 is 6 or more. They are mutually exclusive, so you report only one per session based on the total number of nails debrided. Do not bill both on the same date.
Sources & further reading
Reviewed by the ImmediCare Solutions RCM team
Certified billers and coders handling claims across 50+ specialties nationwide. This entry is reviewed against current payer policy and CMS rules. Last review: Jul 5, 2026.
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