Is billing 90837 for most sessions an audit risk?

Full-session practice is legitimate but attracts payer profiling. The defense is documentation - start/stop times, interventions, and a stated rationale for extended sessions.

CPT 90837: 60-Minute Psychotherapy — The 53-Minute Rule & Audits

Q: Can 90837 be billed for telehealth?

Yes - use the correct place of service (POS 10 or 02) and payer-required modifiers, and verify each payer's telehealth policy annually.

What CPT 90837 Represents

Code 90837 reports individual psychotherapy, 60 minutes — in CPT time logic, any session of 53 minutes or more of psychotherapy with the patient. Its siblings: 90834 (45 minutes — sessions of 38-52 minutes) and 90832 (30 minutes — 16-37 minutes). The threshold that matters daily is 53: a 50-minute "therapy hour" is a 90834, and rounding it up to 90837 is upcoding, while a genuine 55-minute session billed as 90834 quietly donates the difference. For a full-time therapist the gap between the two codes, multiplied across a year of sessions, is thousands of dollars in either direction — which is exactly why both therapists and payers care so much about this one number.

Time counted: face-to-face psychotherapy time with the patient. Scheduling, notes written after, and separate case management do not count toward the 53 minutes — and the safest records state actual start and stop times, not "60 minutes" as a habit.

Why Payers Watch 90837

Some plans have historically flagged clinicians whose sessions are overwhelmingly 90837, sending "education" letters or requesting records — the profiling logic being that a mix of patients should produce a mix of session lengths. The letters are not denials, and full-session practice is entirely legitimate — many evidence-based approaches are built on the longer hour. The defense is not coding down in fear; it is documentation that supports the time and the necessity: start/stop times, the interventions used, and, when a payer asks, a straightforward clinical rationale for why this patient benefits from extended sessions. Clinicians who fold to profiling letters by switching everything to 90834 give up real revenue for no compliance gain; clinicians who ignore documentation lose the audits. The correct posture is precise and unapologetic.

Billing Mechanics

Telehealth: psychotherapy is the most tele-delivered service in medicine — bill with the right place of service (POS 10 patient-at-home, POS 02 elsewhere) and any payer-required modifier, and re-verify telehealth rules per payer per year
With E/M (for prescribers): psychiatrists billing medication management plus therapy use the psychotherapy add-on codes alongside the E/M — not 90837 — with time documented separately from the E/M work
Crisis codes: a session dominated by acute crisis response belongs to the crisis psychotherapy codes, not a longer 90837
Frequency and authorization: some plans cap visits or require auth past a threshold — track remaining sessions the way front desks track deductibles
Reimbursement context: Medicare pays roughly $140-155 for 90837 versus roughly $100-115 for 90834 (ballparks — locality and year move them); commercial rates vary by contract

Documentation That Defends the Hour

Start and stop times, every session — the single strongest 90837 defense, and the first thing reviewers look for
Interventions and themes — the modality used, what was worked on, the patient's response; templated notes that repeat verbatim across sessions are the audit pattern payers screen for
Medical necessity thread — diagnosis, treatment plan, measurable goals, and periodic progress against them; therapy without a documented plan is where payers aim first
The extended-session rationale — one sentence in the plan about why longer sessions serve this patient converts a profiling question into a non-event

A Records-Request Walkthrough

Here is the moment this page exists for: a payer letter arrives asking for records on ten 90837 sessions. The clinician whose notes carry start/stop times (10:04-11:01), named interventions, session-specific content, and a treatment plan that mentions why extended sessions serve this patient sends the packet and hears nothing more — the review closes. The clinician whose ten notes are near-identical templates reading "60-minute session, discussed stressors, continue plan" faces recoupment on all ten and, worse, lands on the payer's watch list for the next round. Identical clinical work, identical patients, opposite outcomes — decided entirely by five extra minutes of note-writing per session. For a full-time therapist, the arithmetic is stark: those five minutes protect roughly a third of annual revenue, because 90837 IS the revenue. Write the note that survives the letter before the letter comes.

Frequently Asked Questions

How long does a session have to be to bill 90837?

53 minutes or more of face-to-face psychotherapy. Sessions of 38-52 minutes bill 90834; the traditional 50-minute hour is a 90834, not a rounded-up 90837.

Is it a problem to bill 90837 for most of my sessions?

Full-session practice is legitimate, but expect payer profiling attention. The defense is documentation - start/stop times, interventions, and a stated rationale for extended sessions - not defensive downcoding.

Can 90837 be billed for telehealth?

Yes - psychotherapy is broadly covered via telehealth. Use the correct place of service and payer-required modifiers, and verify each payer's current telehealth policy annually.

What does Medicare pay for 90837?

Roughly $140-155 as a national ballpark, adjusted by locality and updated yearly - meaningfully above 90834, which is why accurate time documentation matters in both directions.

CPT 90837: 60-Minute Psychotherapy — Rules, Scrutiny & Defense