HCPCS
E0100 — Cane, includes canes of all materials, adjustable or fixed, with tip
Cane adjust/fixed with tip
DME & supplies
E0601 — Continuous positive airway pressure device
A CPAP machine delivers continuous air pressure through a mask to keep airways open during sleep, and is the standard treatment for obstructive sleep apnea.
- Typical setting: Home delivery from DME supplier
- National avg charge (illustrative): $80–$200/month rental for first 3 months (then reduced); or $400–$1,000 purchase
- Most-disputed reason: Billing E0601 (CPAP) when E0470 (BiPAP) was actually dispensed — verify device type with supplier
What it means
What E0601 actually means
A CPAP machine delivers continuous air pressure through a mask to keep airways open during sleep, and is the standard treatment for obstructive sleep apnea. Medicare and most insurers cover CPAP rental/purchase after a qualifying sleep study and physician prescription.
Common errors with this code
What goes wrong on real bills.
Most bills that look correct still contain at least one of these issues. Up to 49% of medical bills contain errors (CFPB).
- Billing E0601 (CPAP) when E0470 (BiPAP) was actually dispensed — verify device type with supplier
- Continuing to bill monthly rental after Medicare's 13-month capped rental period ends (device then belongs to patient)
- Billing CPAP without required documentation: sleep study results, physician order, and face-to-face encounter
If you see E0601 on your bill
Three steps before paying.
1. Get the itemized bill. If your statement only shows a summary, request the CPT-level itemized bill before paying. Generate the request language →
2. Cross-check against the EOB. Compare what your insurer's Explanation of Benefits says you owe versus what the hospital is asking. They disagree more often than people think. Read the bill-vs-EOB guide →
3. Run a free Bill Scan. Upload the bill (and EOB if you have it) and BillBusted will flag the most likely issues with this specific code in your specific state. Run free scan →
Related codes
Other codes in this category.
People who land on E0601 often also see these adjacent codes on the same bill.
HCPCS
E0105 — Cane, quad or three prong, includes canes of all materials, adjustable or fixed, with tips
Cane adjust/fixed quad/3 pro
HCPCS
E0112 — Crutches underarm, wood, adjustable or fixed, pair, with pads, tips and handgrips
Crutch underarm pair wood
HCPCS
E0113 — Crutch underarm, wood, adjustable or fixed, each, with pad, tip and handgrip
Crutch underarm each wood
Related BillBusted guides
Plain-English reads if you see E0601 on a bill.
E0601 FAQ
Plain-English answers.
What does E0601 usually cost?
$80–$200/month rental for first 3 months (then reduced); or $400–$1,000 purchase. Costs vary by region, payer contract, and whether the service was performed in a hospital outpatient department (which adds a facility fee) versus a free-standing clinic.
What's the most common billing error on E0601?
Billing E0601 (CPAP) when E0470 (BiPAP) was actually dispensed — verify device type with supplier
What should I do if I see E0601 on my bill?
Request the itemized bill and the matching EOB from your insurer. Compare the units/quantity billed against what you actually received. Run a free BillBusted scan to flag the most likely errors specific to E0601 before paying.
Don't pay E0601 blindly.
The free scan tells you in under 60 seconds whether this charge looks reasonable for your situation.