Specialty rules are applied to the practice's payers, documentation, and schedule during the engagement.
Where the billing gets difficult
Lesion counts that do not match codes
Destruction codes often depend on how many lesions were treated. A narrative that says several lesions cannot be coded honestly.
Cosmetic and medical services on one ticket
Patients schedule both. A cosmetic service billed to insurance creates a denial and a trust problem.
Pathology assumptions
The dermatologist's biopsy charge is not the pathologist's exam. Billing both from habit double-bills a service the practice did not perform.
Coding considerations
Method matters
Shave, punch, excision, and destruction have different codes. Size and location matter when the code definition uses them.
Same-day E/M
A separate visit is supported when the evaluation is distinct from the decision to do a minor procedure that was already planned.
Anatomic modifiers
Laterality and specific site modifiers, when required, follow the lesion location in the note.
Documentation the claim needs
- Location, size, and method for each procedure
- Number of lesions for count-based codes
- Medical indication versus cosmetic intent
- Whether pathology was performed by the practice
Reimbursement complexity
Dermatology cash is sensitive to patient responsibility for cosmetic care and to deductible application on medical procedures. A clear estimate before a cosmetic service prevents a statement argument later. Medical procedures deny when the diagnosis is a cosmetic complaint or when the count of lesions is unsupported. Mohs surgery has its own documentation and is not assumed for every dermatology practice.
Proposed approach
01
Separate cosmetic encounters
Cosmetic services are scheduled and billed under the practice's self-pay policy, not forced onto a claim.
02
Code from the procedure line
Each lesion's method and site are coded from the procedure note. Vague counts are queried.
03
Confirm who bills pathology
The engagement records whether the practice bills the technical or professional pathology service.
Workflow checks
- Cosmetic versus medical flag at scheduling
- Lesion-level coding
- Pathology ownership check
- Estimate script for noncovered care
Questions
Do you bill Mohs surgery?
Only if the practice performs Mohs and the documentation meets that code's requirements. It is not implied by a general dermatology engagement.
Should cosmetic Botox be sent to insurance?
Not unless a covered medical indication is documented and the payer's policy supports it. Cosmetic treatment stays on the self-pay path.