HCPCS code T2037 – Therapeutic camping, day (waiver) billing

Key takeaways

HCPCS code T2037 bills one day session of therapeutic camping delivered under a Medicaid home and community-based services waiver.

Medicare does not pay for T2037, so claims go to the state Medicaid program or its managed care plan.

Each state defines a session and its rate, and Wisconsin’s CLTS Program counts one T2037 unit as one day.

Camps with an overnight stay bill T2036 instead, unless the payer’s written procedure says otherwise.

The camp, its dates and the code must appear in the person-centered service plan before the session.

HCPCS code T2037: Definition and code details

HCPCS code T2037 is the Level II code for therapeutic camping, day, waiver; each session. It belongs to the T-codes, the national series CMS created for state Medicaid agencies. Within that series, T2037 sits in the waiver services range, T2012 to T2041.

The code pays for a day camp session with a therapeutic purpose and no overnight stay. The participant must be enrolled in a home and community-based services (HCBS) waiver that lists camp as a service. Before you bill, confirm the descriptor against the AAPC entry for T2037 or the CMS quarterly HCPCS file.

What a T2037 camp session covers

T2037 covers a day at camp that the participant’s service plan names as a support. The person attends and goes home the same day. The plan ties the session to a goal, such as building social skills or giving an unpaid family caregiver a break.

Wisconsin offers a documented example. Its Children’s Long-Term Support (CLTS) Program benefit code crosswalk lists T2037 under two services. One is Counseling and Therapeutic Services, and the other is Respite Care, Other.

Both entries count one unit as one day, even though the national descriptor says each session. The respite entry also requires the EY modifier, which flags a service delivered by an unlicensed provider. So the state crosswalk, not the descriptor alone, tells you how to complete the claim line.

What T2037 does not cover

T2037 is narrow by design. It does not cover an overnight camp stay, which bills as T2036. A day habilitation program bills as T2020, and timed respite has its own code too. Mixing them up causes avoidable denials.

Check your payer before you settle on a code. Some payers route most camp through a respite code such as H0045, and some use T2036 for day and overnight camps alike. The T2036 billing guide shows a Michigan payer doing both. When local rules and the national descriptor conflict, follow the payer’s written procedure and keep a copy on file.

Who can bill T2037

Only providers enrolled with the state Medicaid program, or contracted with its managed care plan, can bill T2037. The participant must also be enrolled in a waiver that covers therapeutic camping on the session date.

Coverage follows the waiver, not a single diagnosis. Each 1915(c) waiver serves a defined target group. Wisconsin’s CLTS Program, for instance, serves children with developmental, physical or severe emotional disabilities.

Local rules can narrow eligibility further. A state may open camp to some waivers and not others, or set its own standards for the camp. Read the waiver’s service definition before you enroll a camp as a provider.

T2037 authorization and documentation

Get authorization before the session date. Federal waiver rules tie every service to the person-centered service plan, so the camp has to appear there first. A typical plan entry lists:

• The service the camp is billed under, such as respite or therapeutic services
• The name of the camp, and that it runs as a day camp
• The dates of attendance
• The code and the number of authorized units

After the session, keep proof that it happened. The camp’s attendance record, the authorization and the invoice should all match the billed dates. That trail is the backbone of sound billing compliance.

Eligibility can change between planning and camp day. Run an insurance eligibility check close to the session date, not only when the plan is written. Put together, each camp session clears six checks between the waiver and a paid claim.

Diagnosis codes on a T2037 claim

No national list pairs T2037 with specific ICD-10-CM codes. Medicare does not pay for the code, so CMS publishes no coverage policy for it. Eligibility comes from the waiver instead.

Report the primary diagnosis documented in the participant’s assessment and service plan. If your state manual or managed care plan lists accepted diagnoses, follow that list.

How states set T2037 rates

Each state sets its own T2037 rate, and no national rate exists. Some payers pay a fixed fee per session, while others set a cap on what a session may cost.

The unit matters as much as the rate. Wisconsin pays T2037 per day, so a three-day day camp bills three units there. A payer that defines a session differently will expect a different unit count.

Pull your state fee schedule at the start of each fiscal year. Then check each managed care contract, because a plan can set its own terms.

A T2037 checklist before you submit

Run through these checks for every claim. Each one maps to a denial you can prevent.

• The participant is enrolled in a waiver that covers therapeutic camping.
• Medicaid eligibility is active on every session date.
• The camp, its dates and the code appear in the current service plan.
• The authorization covers the session dates and units.
• The camp had no overnight stay, unless the payer’s procedure says otherwise.
• Units follow the payer’s definition, such as one unit per day in Wisconsin.
• Any required modifier is present, such as EY on Wisconsin respite camp claims.
• The billing provider is enrolled with, or contracted by, the payer.

On the CMS-1500, the prior authorization number goes in box 23. Electronic 837P claims carry it in the prior authorization reference field.

Common T2037 mistakes and denials

T2037 denials follow a few patterns. Most come from billing the code like a timed service or confusing it with overnight camp. The remittance names each denial with a reason code, and our guide to denial codes explains the common ones.

Track denials by reason, not claim by claim. A repeat reason points to an intake or planning step that needs fixing. A simple denial management routine catches those patterns early.

How Pabau keeps waiver camp claims clean

Day camp claims usually fail on paperwork kept in different places. The service plan sits in one system, the authorization letter in an inbox and the claim in a clearinghouse portal.

Pabau, the practice management platform we build, keeps those pieces on one patient record. Its claims management tools pre-fill the claim from that record. They also check required fields, such as the authorization number, before the claim is sent.

In the US, claims go out through Claim.MD, with eligibility checks, remittance posting and status tracking included. Your team still confirms T2037 against the payer’s rules. Pabau makes sure a claim cannot leave with a required field missing.

Keep waiver camp claims clean

Pabau keeps the service plan, authorization and claim on one patient record, so each T2037 session goes out with every required field.

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Conclusion

T2037 is a short descriptor with local rules wrapped around it. It pays for one day camp session, for a defined waiver group, at a unit and rate your state sets.

So read the payer’s code table or camp procedure before you lean on the national descriptor. It decides the waiver, the unit and any modifier. Once the plan entry and authorization match, the claim tends to follow.

Book a demo to see how Pabau lines up service plans, authorizations and claims for your waiver billing team.

Continue your research

Is a broker arranging camp for a self-directing participant? HCPCS code T2041 covers supports brokerage under a waiver, billed in 15-minute units.

Frequently asked questions