What a payer actually checks before it pays a telehealth claim

A telehealth denial is rarely a clinical dispute. The visit happened, the documentation supports the level of service billed, and the claim still comes back rejected because one of three fields on the 837 did not match what the payer expected: the place of service, the modifier, or the code itself against that payer's telehealth-eligible list for that date of service.

Behavioral health runs a disproportionate share of its volume through telehealth, which makes these three checks worth understanding directly rather than trusting entirely to a clearinghouse edit that may or may not be current.

The place-of-service code is not describing where the visit happened — it is selecting a payment rate

CMS maintains two place-of-service codes for telehealth, and they are not interchangeable labels for "virtual visit." Code 10 is defined as the location where health services are provided or received through telecommunication technology when the patient is in their home; code 02 is defined the same way for every other originating location — an office, a school, a facility — anything that is not the patient's home (CMS Place of Service Code Set). CMS assigned that current pairing effective January 1, 2022, replacing an earlier version of POS 02 that did not distinguish home from non-home originating sites.

The distinction is not administrative. Under the Medicare Physician Fee Schedule, the place-of-service code is one of the inputs that selects between the facility and non-facility payment rate for the same CPT code, so billing POS 02 when the patient was actually at home — or the reverse — does not just misdescribe the visit, it can misprice it. A payer's adjudication system checks this field before it checks anything about the clinical content of the note.

The modifier has to match how the visit happened, not just that it was virtual

Two modifiers cover synchronous telehealth, and they are not interchangeable either. Modifier 95 signals a real-time audio-and-video encounter. Modifier 93, created by the AMA's CPT Editorial Panel for use starting January 1, 2022, signals a real-time encounter conducted by audio only — no video component (AMA, CPT Appendix T and Modifier 93). Appendix T lists which CPT and HCPCS codes are approved for audio-only reporting with modifier 93; not every telehealth-eligible code is on that list, so an audio-only visit billed under a code that Appendix T does not cover is a mismatch the payer can catch mechanically, independent of whether the visit itself was appropriate.

CMS separately publishes and updates an annual telehealth services list identifying which codes are covered as telehealth at all, and which of those are cleared for the audio-only modifier (CMS telehealth coverage). A code that was eligible last year is not guaranteed to still be eligible, or eligible for audio-only delivery, this year. Treating that list as static quietly accumulates denials on visit types that billed correctly twelve months ago.

Behavioral health runs under a more permissive originating-site rule — and that is exactly why it gets miscoded

For most Medicare telehealth, the patient historically had to be at a qualifying originating site, often in a rural area. Telehealth used to diagnose, evaluate or treat a mental health disorder was carved out of that restriction on a permanent basis by the Consolidated Appropriations Act, 2021: the law added a mental-health-specific exception allowing the patient's home to serve as an originating site with no geographic restriction, codified at section 1834(m)(7) of the Social Security Act. A biller applying the general Medicare originating-site rule to a behavioral-health telehealth claim is applying the wrong rule to that specific service line.

Congress has separately attached, and repeatedly extended, a requirement tying ongoing behavioral telehealth coverage to periodic in-person visits with the billing provider. The exact timing has moved more than once as short-term funding legislation pushed the effective date back, so a cutoff written into internal policy this quarter is a reasonable candidate to be wrong next quarter. Confirming current CMS guidance before configuring an automated check is worth the extra step; hard-coding a date from a blog post is not.

What does not carry over to a commercial or Medicaid MCO claim

Every rule above is written for Medicare, which is not the payer setting the terms for most behavioral-health telehealth volume. Commercial payers and Medicaid managed-care organizations set their own telehealth policy by contract: which POS codes they accept, whether they require modifier 95 at all, whether audio-only is payable and at what rate relative to video, and whether telehealth pays at parity with an in-person visit or at a discount. None of that is obligated to mirror Medicare's, and a payer's provider manual — not the Medicare rule a biller already knows — is the actual source of truth for that claim.

Why this is a systems problem, not a training problem

None of these checks require clinical judgment. The place-of-service code either matches the originating site or it does not; the modifier either matches how the encounter was conducted or it does not; the code either appears on the applicable payer's current telehealth list or it does not. Each is deterministic, which means each can be checked before submission rather than discovered after a denial — the same principle that applies to NCCI edits and eligibility checks elsewhere in the claim.

What it requires is that the system holds payer-specific telehealth rules as structured, current data rather than something a biller remembers from the last time a similar claim went out. Resova iQ's RCM iQ module checks place of service, modifier and code eligibility against payer-specific telehealth rules before a claim goes out, using the same 837P submission and 835 remittance data the platform already handles for the rest of the claim lifecycle. It flags a mismatch for review; it does not decide on its own what to change or submit a corrected claim without the approvals a practice configures.