CPT
90471 — Immunization administration, single vaccine
ACA-covered vaccines should be free, including the admin fee.
Mental health
90837 — Psychotherapy, 60 minutes with patient
Extended 60-minute psychotherapy session. Higher reimbursement than 90834.
- Typical setting: Outpatient or telehealth
- National avg charge (illustrative): Insurance allowed $100-$220; cash $130-$300.
- Most-disputed reason: Billed as 90837 when actual session was less than 53 minutes.
What it means
What 90837 actually means
CPT 90837 is a 60-minute psychotherapy session. To support 90837, the actual session time must be at least 53 minutes (per AMA time rules).
Common errors with this code
What goes wrong on real bills.
Most bills that look correct still contain at least one of these issues. Up to 49% of medical bills contain errors (CFPB).
- Session was 45-50 minutes but billed at 60-minute code.
- Time-based billing without time documentation in the note.
- Out-of-network therapy at provider's full rate.
If you see 90837 on your bill
Three steps before paying.
1. Get the itemized bill. If your statement only shows a summary, request the CPT-level itemized bill before paying. Generate the request language →
2. Cross-check against the EOB. Compare what your insurer's Explanation of Benefits says you owe versus what the hospital is asking. They disagree more often than people think. Read the bill-vs-EOB guide →
3. Run a free Bill Scan. Upload the bill (and EOB if you have it) and BillBusted will flag the most likely issues with this specific code in your specific state. Run free scan →
Related codes
Other codes in this category.
People who land on 90837 often also see these adjacent codes on the same bill.
CPT
90472 — Immunization admin; each additional vaccine
Vaccine — admin (90471) is separate from the vaccine product code.
CPT
90651 — Human papillomavirus vaccine types 6, 11, 16, 18, 31, 33, 45, 52, 58, nonavalent , IM
Vaccine — admin (90471) is separate from the vaccine product code.
CPT
90670 — Pneumococcal conjugate vaccine, 13 valent , IM
Vaccine — admin (90471) is separate from the vaccine product code.
CPT
90671 — Pneumococcal conjugate vaccine, 15 valent , IM
Vaccine — admin (90471) is separate from the vaccine product code.
CPT
90677 — Pneumococcal conjugate vaccine, 20 valent , IM
Vaccine — admin (90471) is separate from the vaccine product code.
Related BillBusted guides
Plain-English reads if you see 90837 on a bill.
90837 FAQ
Plain-English answers.
Don't pay 90837 blindly.
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