Routine Foot Care and Nail Debridement
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Policy governing coverage and medical necessity criteria for routine foot care, nail debridement, and related foot examinations for Blue Cross & Blue Shield of Rhode Island members, including BlueCHiP for Medicare and Commercial Products.
No material clinical or coverage changes in this revision.
Coverage and Medical Necessity Criteria
Routine Foot Care Medical Necessity Logic
Routine foot care is considered medically necessary when specific systemic disease or documented class findings are present and recorded in the medical record.
Documented in medical record
Path B: Documented class findings or severe neuropathy
- Class A: Non-traumatic amputation of foot or integral skeletal portion thereof
(one required)
- Class B (two required): Examples include absent posterior tibial pulse; absent dorsalis pedis pulse; and advanced trophic changes (three of: decreased/absent hair growth; nail thickening; pigmentary changes/discoloration; thin, shiny skin texture; rubor)2 of the listed B findings
Two Class B findings required
- Class C (used with Class B): Examples include claudication; temperature changes (cold feet); edema; paresthesias; burning2 for the combination option
One Class B + two Class C findings qualifies
- Peripheral neuropathy without vascular impairment: Peripheral neuropathy involving the feet of such severity that care by a nonprofessional would put the patient at risk (LOPS); in this situation class-finding modifiers are not necessary
Document neuropathy severity in record
Mycotic Toenail Coverage Criteria
Treatment of mycotic toenails may be covered in the absence of a systemic condition when specific clinical criteria are met.
Both criteria required for ambulatory patients
Both criteria required for non-ambulatory patients
Document condition and symptoms in record
LOPS-specific Coverage
Diabetic patients with documented loss of protective sensation (LOPS) have a different annual evaluation allowance.
Patients with LOPS may receive two foot evaluations (examination and treatment) per year specifically for diabetic peripheral neuropathy with LOPS, provided they have not seen a foot care professional for another reason
All routine foot care indications that do not meet the policy's specified medical necessity criteria are not covered. Specifically, routine foot care is considered covered only when the patient has a qualifying systemic disease (for example metabolic, neurologic, or peripheral vascular disease) of sufficient severity that nonprofessional care would place the patient at risk. All other indications are not covered for BlueCHiP for Medicare and are not medically necessary for Commercial Products.
An annual foot evaluation for diabetics who are being treated with diabetic medication is covered once per year for patients not otherwise receiving podiatric services. Frequency greater than once per year is not covered for BlueCHiP for Medicare and is not medically necessary for Commercial Products unless the patient meets the policy's Loss of Protective Sensation (LOPS) criteria allowing additional evaluation frequency. Providers should verify member-specific benefits with the call center as benefit documents supersede this policy.
Services that are determined to be not medically necessary, as well as medically necessary services that are non-covered benefits under a member's subscriber agreement or employer agreement, are not covered under this policy. Providers must follow member benefit documents for coverage determinations and obtain prior written member agreement before billing a member for non-covered services.
Routine foot care provided for indications other than a qualifying systemic disease or documented qualifying class findings is considered not medically necessary. Coverage is limited to situations where the systemic condition or neuropathy severity makes nonprofessional care unsafe; routine maintenance/hygienic care absent these findings is not covered.
Services determined to be not medically necessary under this policy are not covered and may have financial implications for the member. If a provider intends to proceed with treatment that is a non-covered service, the member must be informed and provide written agreement in advance before the provider may bill the member for those services.
Procedure and Billing Codes
| 11055 | Paring or cutting of benign hyperkeratotic lesion (e.g., corn or callus); single lesion |
| 11056 | Paring or cutting of benign hyperkeratotic lesion (e.g., corn or callus); 2 to 4 lesions |
| 11057 | Paring or cutting of benign hyperkeratotic lesion (e.g., corn or callus); more than 4 lesions |
| 11719 | Trimming of nondystrophic nails, any number |
| 11720 | Debridement of nail(s) by any mothod(s); 1 to 5 |
| 11721 | Debridement of nail(s) by any method(s); 6 or more |
| G0127 | Trimming of dystrophic nails, any number |
Provider Responsibilities and Billing Guidance
Prior Authorization
Prior authorization review is not required.
Annual diabetic foot exam frequency
An annual evaluation of diabetic patients treated with diabetic medication is covered for patients not otherwise receiving podiatric services. Frequency greater than once per year is not covered for BlueCHiP for Medicare and is considered not medically necessary for Commercial products unless documentation shows loss of protective sensation (LOPS) or other qualifying clinical criteria that justify more frequent exams.
Required documentation of class findings
The following physical and clinical findings indicative of severe peripheral involvement must be documented and maintained in the patient record for routine foot care services to be reimbursable. Documentation must clearly state which Class findings are present and support the medical necessity of the services billed.
- Class A findings: Non‑traumatic amputation of foot or integral skeletal portion thereof.
- Class B findings: Absent posterior tibial pulse; absent dorsalis pedis pulse; advanced trophic changes (three required): decreased/absent hair growth; nail changes (thickening); pigmentary changes (discoloration); thin, shiny skin; skin color changes (rubor/redness).
- Class C findings: Claudication; temperature changes (e.g., cold feet); edema; paresthesias; burning.
- Reimbursement criteria: physician must identify either (1) a Class A finding, (2) two Class B findings, or (3) one Class B and two Class C findings. Benefits also apply for peripheral neuropathy of the feet when neuropathy is severe enough that care by a nonprofessional would put the patient at risk.
Benefits & Eligibility Verification
For member‑specific benefits and eligibility, providers must verify coverage prior to rendering services by contacting the provider call center. The member's subscriber agreement, member certificate, and/or employer agreement determine benefits and supersede this policy. If services are determined to be not medically necessary or non‑covered, members may be financially responsible unless informed and they agree in writing in advance.
Background and Scope
Routine foot care services include cutting or removal of corns and calluses; clipping, trimming, or debridement of nails (including treatment of mycotic nails when criteria are met); paring, shaving, or removal of keratoma/tyloma/heloma; palliative treatment of plantar warts that do not require curettage or cautery; and hygienic or preventive maintenance care performed in the absence of localized illness or symptoms. These services are covered only when the medical necessity criteria in this policy are satisfied.
Key Definitions
Document Revision History
Policy became effective.
Policy last updated/reviewed.
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