NEMT ancillary codes A0170 to A0210: tolls, parking, meals, lodging
NEMT ancillary codes are HCPCS A0170 to A0210. A0170 covers parking fees, tolls, and similar trip costs. A0180 and A0190 pay lodging and meals for the member, and A0200 and A0210 pay lodging and meals for an escort. Medicare does not pay them. States set the limits, such as Colorado's $100.18 a night for lodging in 2026.
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The five ancillary codes
Ancillary codes pay for costs around a trip rather than the ride itself. The CMS HCPCS file for October 2026 lists them with these exact descriptors:
| Code | Official descriptor | Added |
|---|---|---|
| A0170 | Transportation ancillary: parking fees, tolls, other | 1982 |
| A0180 | Non-emergency transportation: ancillary: lodging-recipient | 1982 |
| A0190 | Non-emergency transportation: ancillary: meals-recipient | 1984 |
| A0200 | Non-emergency transportation: ancillary: lodging escort | 1982 |
| A0210 | Non-emergency transportation: ancillary: meals-escort | 1984 |
All five carry Medicare coverage code I, not payable by Medicare. None of the descriptors sets a unit or an amount, so each Medicaid program decides both.
Tolls and parking: A0170
A0170 covers out-of-pocket costs of the ride itself, such as parking fees and tolls. It is the ancillary code that sits closest to a regular trip.
New York uses A0170 for a state congestion surcharge. Since January 1, 2019, for-hire trips that start in, end in, or enter the Manhattan congestion zone pay a state surcharge. Medicaid taxi, livery, and rideshare providers bill it back under A0170 with modifier TU ($2.75 for a single-passenger trip) or TK ($0.75 per passenger on a pool trip). Ambulance and ambulette trips are exempt. North Dakota lists A0170 at $0.85 on its July 2026 NEMT schedule.
Meals and lodging: A0180 to A0210
The other four codes pay for overnight travel to covered care, for the member (A0180, A0190) and for an escort who must travel with them (A0200, A0210). In Arizona, enrolled travel services providers bill them alongside air travel under A0140.
| State | Lodging | Meals | Rule | Date |
|---|---|---|---|---|
| Colorado | A0180 and A0200 at $100.18 per diem | A0190 and A0210 at $43.96 per diem | One unit per day each; only charges actually incurred | Effective July 1, 2026 |
| North Dakota | A0180 at $110, A0200 at $169 | A0190 at $32.46 for a full day; A0210 at $8.84; local codes A0191 to A0193 for single meals | No service authorization listed | July 1, 2026 |
| Louisiana | A0180 and A0200 | A0190 and A0210 | Capped at U.S. General Services Administration per diem rates, which vary by location | Effective October 1, 2025 |
Colorado pays meals and lodging only when in-state treatment cannot be completed in one calendar day, or for authorized out-of-state treatment. Escort meals and lodging are covered when the member is a child or an at-risk adult who needs the escort to stay. Arizona’s July 2023 training for travel services providers shows escort lodging under A0200 when the member is an inpatient and the escort cannot stay at the bedside.
Where ancillary claims go wrong
- Billing A0191 to A0193 outside North Dakota. Those are North Dakota codes, not national HCPCS codes.
- Billing more than the actual charge. Colorado pays what was charged, up to the daily rate.
- Billing escort costs without the escort rules. Colorado limits escorts to children and at-risk adults. See T2001 for escort transport.
- Claiming the surcharge on an exempt trip. New York exempts ambulance and ambulette trips.
For the per diem transportation code, see T2002. For all codes in one list, see NEMT billing codes, and for the claim process, see how to bill Medicaid for NEMT.
Frequently asked questions
- Can a NEMT provider bill tolls and parking?
- Where the payer lists A0170, yes. New York reimburses the Manhattan congestion surcharge under A0170 with TU ($2.75 for a single trip) or TK ($0.75 per person on a pool trip), for taxi and livery providers. North Dakota lists A0170 at $0.85. Keep the receipt or toll record with the trip.
- When does Medicaid pay for meals and lodging?
- When a covered trip cannot be done in one day. Colorado pays meals and lodging for in-state treatment when travel cannot be completed in one calendar day, and for authorized out-of-state treatment. It pays only what the member or escort was actually charged, up to the daily rate.
- Are A0180 to A0210 billed per day or per meal?
- Usually per day. Colorado allows one unit per day each for the member and each escort. North Dakota pays a full day of meals under A0190 but also uses local codes A0191, A0192, and A0193 for breakfast, lunch, and dinner. Arizona trains travel providers to bill up to three daily units of A0190.
