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CPT 99231 Fee Schedule

Last Verified: September 2025

Healthcare providers use this code to document and receive reimbursement for visits that address moderate-level medical decision-making, often including multiple diagnoses or prescription management.

Subsequent Hospital Inpatient Or Observation Care Per Day For The Evaluation And Management Of A Patient Which Requires A Medically Appropriate History And/Or Examination And Straightforward Or Low Level Of Medical Decision Making. When Using Total Time On The Date Of The Encounter For Code Selection 25 Minutes Must Be Met Or Exceeded. (Desc Rvsd 1/1/23)
Key FactDetail
Service Type

Evaluation and Management

Hospital Inpatient and Observation Care Services

Common Place of Service

21 - Inpatient Hospital

51 - Inpatient Psychiatric Facility

22 - On Campus-Outpatient Hospital

Common Modifiers

None

GC - Service has been performed in part by a resident under the direction of a teaching physician

25 - Significant, separately identifiable evaluation and management service by the same physician on the same day of the procedure or other service

Complexity LevelModerate

National average reimbursement for CPT 99231 by major payers:

bcbs

$54.09

uhc

$48.81

aetna

$66.26

cigna

$66.79

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For billing codeCPT 99231
PayerCodeRateNPITax IDStateSpecialty

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CPT 99231 vs. Other Hospital Inpatient and Observation Care Services Codes

The CPT 99231 code is part of the Evaluation and Management services used for Hospital Inpatient and Observation Care Services. It represents a moderate-complexity encounter and is one of several codes that vary based on time spent, level of medical decision-making, and documentation requirements.

The CPT 99231 code involves more provider time and moderate medical decision-making, unlike lower-level codes that require less time and simpler assessments. It typically includes multiple diagnoses, medication management, or test interpretation, leading to higher reimbursement and more detailed documentation requirements.

CodeComplexityDescription
99221Low
Initial Hospital Inpatient Or Observation Care Per Day For The Evaluation And Management Of A Patient Which Requires A Medically Appropriate History And/Or Examination And Straightforward Or Low Level Medical Decision Making. When Using Total Time On The Date Of The Encounter For Code Selection 40 Minutes Must Be Met Or Exceeded. (Desc Rvsd 1/1/23)
99222Moderate
Initial Hospital Inpatient Or Observation Care Per Day For The Evaluation And Management Of A Patient Which Requires A Medically Appropriate History And/Or Examination And Moderate Level Of Medical Decision Making. When Using Total Time On The Date Of The Encounter For Code Selection 55 Minutes Must Be Met Or Exceeded. (Desc Rvsd 1/1/23)
99223High
Initial Hospital Inpatient Or Observation Care Per Day For The Evaluation And Management Of A Patient Which Requires A Medically Appropriate History And/Or Examination And High Level Of Medical Decision Making. When Using Total Time On The Date Of The Encounter For Code Selection 75 Minutes Must Be Met Or Exceeded. (Desc Rvsd 1/1/23)
99231Low
Subsequent Hospital Inpatient Or Observation Care Per Day For The Evaluation And Management Of A Patient Which Requires A Medically Appropriate History And/Or Examination And Straightforward Or Low Level Of Medical Decision Making. When Using Total Time On The Date Of The Encounter For Code Selection 25 Minutes Must Be Met Or Exceeded. (Desc Rvsd 1/1/23)

What is a fee schedule?

A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 99231. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.

Understanding the 99231 fee schedule helps patients estimate costs and providers optimize billing for accurate reimbursements.

Factors that affect fee schedules


Medicare & Medicaid Rates

Government-set reimbursement amounts


Private Insurance Rates

Negotiated rates between providers and insurance companies


Geographic Location

Costs may be higher in urban areas.


Provider Type

Hospital providers may have different rates than private practice.

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