CPO Documentation, Coding & Reimbursement 2

Question 1

What coding system is primarily used for billing prosthetic and orthotic devices to Medicare?

Accepted Answer

HCPCS Level II (L-codes)

Answer

CPT (Current Procedural Terminology)

Answer

ICD-10-CM diagnosis codes

Answer

DRG (Diagnosis Related Groups)

Question 2

Which HCPCS code series is specifically designated for orthotic and prosthetic procedures and devices?

Accepted Answer

L codes (Orthotic and Prosthetic Procedures)

Answer

A codes (Medical and Surgical Supplies)

Answer

E codes (Durable Medical Equipment)

Answer

K codes (Temporary Codes for Medicare)

Question 3

When billing a lower-limb prosthesis to Medicare, what must be documented to determine appropriate prosthetic componentry coverage?

Accepted Answer

The patient's K-level (functional classification)

Answer

The patient's insurance deductible status

Answer

The CPO's years of experience with the prosthesis type

Answer

The date of the most recent physician visit

Question 4

What does the Medicare modifier 'KX' indicate when appended to an L-code on a claim?

Accepted Answer

The provider attests that coverage criteria are met and supporting documentation is on file

Answer

The item was custom fabricated in a laboratory setting

Answer

The item requires prior authorization before payment

Answer

The device was repaired rather than replaced

Question 5

A patient receives a custom-fabricated ankle-foot orthosis (AFO). Which coding approach is most appropriate for Medicare billing?

Accepted Answer

Bill the appropriate L-code with applicable modifiers including KX if criteria are met

Answer

Bill only for the cost of materials used in fabrication

Answer

Bill using CPT evaluation and management codes

Answer

No billing code is needed for custom AFOs under $500

Question 6

What is the significance of the 'LT' and 'RT' modifiers in O&P billing?

Accepted Answer

They indicate left side and right side of the body for bilateral specificity

Answer

They indicate long-term and short-term use of the device

Answer

They identify whether the device was made locally or remotely

Answer

They denote laboratory pricing versus retail pricing

Question 7

Under what circumstances can a Medicare replacement prosthesis be billed prior to the standard 5-year replacement cycle?

Accepted Answer

When the device is lost, stolen, irreparably damaged, or the patient's condition has significantly changed

Answer

Only at exactly the 5-year anniversary of delivery

Answer

Whenever the patient verbally requests a newer model

Answer

Only when a new physician not involved in prior care writes the prescription