CPT 11720Surgery

Debride nail 1-5

CPT code 11720 covers the medical procedure of trimming, filing, or cleaning one to five damaged, thickened, or fungal toenails or fingernails. This is a common podiatry and dermatology service for patients with nail conditions that require professional treatment beyond routine nail care.

Showing rates for

National Average

Base Medicare rate

$32.02

This calculator gives a typical-case estimate using standard Medicare modifier rules. Actual payment depends on payer policies, documentation, code-specific CMS status indicators, and locality. Verify before billing.

RVU breakdown

Work RVU

0.32

PE RVU (NF)

0.64

MP RVU

0.03

Total RVU

0.99

Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High

NCCI bundling edits

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Billing tips

Always document the specific pathologic nail condition (onychomycosis, dystrophy, etc.) and medical necessity - never document as 'routine nail care' or 'trimming'
Impact: Difference between full reimbursement ($32.02) and complete denial; 'routine' or 'cosmetic' language triggers automatic denials
Bill 11720 for 1-5 nails; use 11721 when debriding 6 or more nails to capture higher reimbursement
Impact: 11721 reimburses at $36.45 non-facility (14% increase); underbilling 11720 for 6+ nails costs $4.43 per encounter
Verify place of service carefully - incorrect POS code can result in $18.11 underpayment (facility rate vs non-facility rate)
Impact: POS 11 (office) pays $32.02 while POS 22 (hospital outpatient) pays $13.91; 56.5% difference in reimbursement
For diabetic patients, append Q7, Q8, or Q9 modifiers and link to diabetes diagnosis codes (E10.-, E11.-) with manifestation codes
Impact: Without Q modifiers, Medicare denies as 'routine foot care'; proper coding converts denial to $32.02 payment
Document the number of nails debrided specifically in the procedure note, and describe thickness, discoloration, or deformity observed
Impact: Vague documentation like 'nails trimmed' leads to 40-60% audit recovery rate; specific clinical findings protect against clawbacks
Do not bill 11720 within 48 hours of a surgical procedure on the same nail/digit as it may be considered part of surgical package
Impact: Bundling violations can trigger claims denials and potential fraud investigation; wait until global period expires

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Frequently asked questions

What is the Medicare reimbursement rate for CPT 11720 in 2025?

The 2025 Medicare national average reimbursement for CPT 11720 is $32.02 in non-facility settings and $13.91 in facility settings. The Work RVU is 0.32, PE RVU is 0.64 (non-facility) or 0.08 (facility), MP RVU is 0.03, for a total RVU of 0.99 using the 2025 conversion factor of 32.3465.

How often can you bill CPT 11720 for nail debridement?

While there is no global period for CPT 11720, most Medicare contractors and commercial payers limit reimbursement to once every 60-90 days per patient unless medical documentation supports more frequent treatment due to rapid regrowth or severe pathology. Always check your local coverage determination (LCD) for specific frequency limitations.

What is the difference between CPT 11720 and 11721?

CPT 11720 is for debridement of 1 to 5 nails and reimburses at $32.02, while CPT 11721 covers debridement of 6 or more nails and reimburses at $36.45 (2025 non-facility rates). You must accurately document the exact number of nails debrided to bill the appropriate code and these codes are mutually exclusive - only bill one per encounter.

Can you bill an office visit with CPT 11720 on the same day?

Yes, you can bill an E/M service with CPT 11720 on the same day if the E/M represents a significant, separately identifiable service beyond the decision to perform nail debridement. You must append modifier 25 to the E/M code and document the separate medical issues addressed during the evaluation to avoid bundling denials.

What diagnosis codes are required for CPT 11720 to be covered?

CPT 11720 requires a pathologic nail diagnosis such as B35.1 (tinea unguium/onychomycosis), L60.0 (ingrowing nail), L60.2 (onychogryphosis), L60.3 (nail dystrophy), or other medical conditions affecting nails. For diabetic patients, link to diabetes codes (E10.-, E11.-) with associated manifestations. Simple nail trimming for cosmetic purposes or patient convenience is not covered.

What are Q7, Q8, and Q9 modifiers for CPT 11720?

Q7, Q8, and Q9 are required Medicare modifiers for diabetic patients receiving routine foot care including nail debridement. Q7 indicates one Class A finding (like loss of protective sensation), Q8 indicates two Class B findings, and Q9 indicates one Class B and two Class C findings. These modifiers document medical necessity for services that would otherwise be denied as routine care.

Is CPT 11720 covered for non-diabetic Medicare patients?

Yes, CPT 11720 is covered for non-diabetic Medicare patients when medical necessity is documented with a specific pathologic nail condition such as onychomycosis, severe nail dystrophy, psoriatic nails, or traumatic nail deformity. The key is documenting that the condition requires professional medical intervention and is not routine cosmetic nail care that the patient could perform themselves.