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CPT 90837: Psychotherapy, 53 Minutes or More
CPT code 90837 represents individual psychotherapy sessions of 53 minutes or more and is one of the primary time-based CPT psychotherapy codes used in outpatient behavioral health. It matters nationally because it maps to standard clinical practice for moderate-to-long psychotherapy encounters and is commonly used in billing for treatment of depressive, anxiety, and adjustment disorders. Payers frequently review utilization of longer psychotherapy units when defining coverage, prior authorization rules, and payment policies.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, United Healthcare, and Medicare. Readers will find a concise description of the service, the clinical contexts where the code is applied, and the related CPT psychotherapy codes used for shorter or combined services.
This publication provides benchmarks and practical context: which clinical scenarios typically justify a 53+-minute psychotherapy visit, comparable CPT codes for 30- and 45-minute sessions, and the typical outpatient sites where 90837 is delivered. It also outlines the ICD-10 diagnostic categories frequently paired with this service, and the clinical provider taxonomies that commonly bill it. Data not available in the input is noted where applicable. The summary is intended for clinicians, billing professionals, and policy analysts seeking a national overview of CPT code 90837.
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Billing Code Overview
CPT code 90837 describes a psychotherapy session lasting 53 minutes or more. The service involves a provider delivering psychotherapeutic techniques aimed at treating psychiatric disorders through focused therapeutic interaction.
Service type: Individual psychotherapy, long session
Typical site of service: Office or outpatient behavioral health setting
National Reimbursement Benchmarks
Medicare’s mean allowed amount for CPT 90837 sits at $172.10 versus BUCA’s commercial mean of $259.70, indicating commercial BUCA payments average about $87.60 higher than Medicare for this code. That gap highlights a meaningful spread between federal fee schedules and one commercial benchmark, with BUCA well above Medicare’s central tendency.
Dispersion measured by the interquartile range (P75–P25) is widest for Blue Cross Blue Shield at $96.70 and tightest for Aetna at $74.00. UnitedHealth Group and Cigna show intermediate dispersion at $120.00 and $101.60 respectively, while BUCA’s IQR is $99.40. These differences reflect varying regional and contractual variability across payers, with Blue Cross Blue Shield exhibiting the greatest middle-50% variability and Aetna the least.