Billing
Private Practice

Insurance Product vs CPT Code: What Is the Difference?

By George Ruan • October 7, 2026

Last reviewed: October 7, 2026.

The insurance product is the client’s specific plan, such as a company’s HMO, PPO, Medicaid or Marketplace plan, and it decides whether you are in network and what the client pays. The CPT code, such as 90837, describes the service you provided. When your biller asks “which product is this?”, they need the plan details from the card, not the session code.

Sections

Why the company name is not enough

One insurance company can sell many products, and you can be in network for some and not others. These are the situations where we most often have to ask:

  • HMO versus PPO from the same Blue plan. A practice credentialed with a state’s Blue PPO network asked about a client with that same company’s HMO. HMO members there are tied to an assigned medical group, and the PPO panel does not reach them.

  • A long-term client’s new card. When a returning client’s new plan turned out to be an HMO, sessions with their existing therapist were very likely out of network, even though the insurer’s name was familiar. We confirmed it with the payer before the next visit.

  • Medicaid and commercial lines from one company. A carrier’s Medicaid managed-care plan, its Marketplace plan and its Medicare plan use different networks. A contract with the company is not proof of participation in the specific product.

  • An administrator on the card. When a clinician listed a plan by its claims administrator’s name, we asked for the plan name and type to pick the right network. It turned out to be a different program entirely, and the credentialing went to that program instead.

HealthCare.gov explains the HMO, PPO, EPO and POS plan types. Even those labels can disagree inside one response: we have seen an eligibility result give an EPO plan name with a PPO insurance-type value. When that happens, we keep both and confirm with the payer instead of picking the friendlier reading.

Where the CPT code matters

CMS describes CPT within HCPCS Level I as the code set for professional services. The code is how you ask about a benefit for a specific service. It matters most when the service is not routine psychotherapy. For example, a plan can list a preventive benefit that includes behavioral assessments with no authorization, while psychological testing under the same plan needs prior authorization. See psychological testing authorization versus screening benefits.

What to send your biller

  1. Front and back of the current card through your secure channel. The back often names the behavioral-health administrator and claims address.

  2. The plan or network name exactly as printed, plus member and group numbers.

  3. The CPT code you plan to bill, the date of service, and whether it is telehealth.

  4. Which clinician will see the client, so network status is checked for the right person and billing entity.

A product label is not a fee schedule. The same CPT code can pay differently across products, so do not reuse one plan’s payment or cost share for another. For code descriptions, see the mental health CPT codes guide; for out-of-state Blue cards, see how BlueCard claims work.

Frequently Asked Questions

Is “PPO” a CPT code?

No. PPO is a type of plan. CPT codes, like 90834 or 90837, describe services.

If I accept an insurer, do I accept all its plans?

Not necessarily. Participation is product by product. Check the client’s specific plan for the clinician who will see them.

Sources

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Bomi co-founders George Ruan and Dax Earl at a conference

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Founded by George Ruan, Dax Earl, and Andrey Goder, Bomi helps independent therapists and group practices with insurance billing, credentialing, and payer follow-up. Bomi grew out of Dax’s experience helping his mother with her therapy practice, with a clear purpose: reduce the administrative burden of insurance while keeping practice owners in control.

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