Coding Ahead
CasePilot
Medical Coding Assistant
CaseConsultant
Instant Email Coding Consultant
Case2Code
Search and Code Lookup Tool
CareerCenter
Medical Coding Job Board
Log in Register free account

Need help choosing the right code?

Ask CasePilot about procedures, modifiers, bundling, and coding guidance.

Try CasePilot

CPT code 99401 is defined as “Preventive medicine counseling and/or risk factor reduction intervention(s) provided to an individual (separate procedure); approximately 15 minutes.”

In simple terms, this code represents a one-on-one counseling session focused on promoting health and preventing illness rather than treating a current medical condition. In the 2025 coding landscape, mastering this code is essential for primary care, pediatrics, and behavioral health providers looking to capture revenue for risk reduction discussions.

This comprehensive guide covers everything you need to know about CPT 99401, including time requirements, the “midpoint rule,” payer differences (Medicare vs. Commercial), and proper modifier usage.

1. When to Use CPT 99401

CPT 99401 is used for preventive counseling aimed at reducing risk factors and encouraging healthy behaviors. Importantly, this code is intended for patients who do not have symptoms or an established illness related to the counseling topic.

If the counseling is related to a current medical problem (e.g., diet counseling as part of diabetes management), 99401 should not be billed; that counseling is considered part of the problem-focused E/M service (99213/99214).

Common Scenarios for 99401

  • Tobacco Cessation: Counseling a patient who uses tobacco but has no acute smoking-related illness.
  • Nutrition & Diet: Guidance for obesity prevention or heart disease prevention in an otherwise healthy or at-risk patient.
  • Sexual Health: Safe sex and STI prevention counseling for an adolescent or adult without active STI symptoms.
  • Stress Management: Mental health promotion for a patient experiencing life stressors but not being treated for a specific mental disorder.
  • Vaccine Counseling: Discussing vaccine benefits (e.g., COVID-19 or flu) with a vaccine-hesitant patient.

2. Time Requirements & Code Selection

CPT 99401 is strictly a time-based code. To bill it, you must meet specific duration thresholds based on the CPT “midpoint rule.” This rule states that you must pass the midpoint of the stated time to bill the code.

CPT Code Stated Duration Required Face-to-Face Time
99401 Approx. 15 minutes 8 – 22 minutes
99402 Approx. 30 minutes 23 – 37 minutes
99403 Approx. 45 minutes 38 – 52 minutes
99404 Approx. 60 minutes 53 minutes or more

Compliance Alert: Do not bill multiple units of 99401 for a longer session. If the counseling lasts 30 minutes, report 99402 once, rather than 99401 x 2. Only one unit is allowed per patient per day.

3. Documentation Guidelines for Compliance

Accurate documentation is your defense against audits. Because time is the controlling factor, your notes must clearly reflect the duration and content. Include the following elements:

  • Total Time: Explicitly state the face-to-face time (e.g., “15 minutes spent in preventive counseling”).
  • Topics Discussed: Detail the content (e.g., “Discussed tobacco cessation strategies and nicotine replacement options”).
  • Risk Factors: Describe why the counseling was needed (e.g., “Patient is an ex-smoker concerned about relapse”).
  • Action Plan: Outline goals (e.g., “Set a goal to walk 30 minutes daily”).
  • Separation: If performed on the same day as another visit, the counseling note must be visually distinct from the medical visit note.

Diagnosis Coding: Use preventive ICD-10 codes (Z-codes) to support 99401. Common examples include:

  • Z71.3: Dietary counseling and surveillance
  • Z71.6: Tobacco abuse counseling
  • Z71.7: Human immunodeficiency virus [HIV] counseling
  • Z71.89: Other specified counseling

4. Modifiers and Same-Day Billing

CPT 99401 is a “separate procedure,” but it is frequently billed alongside other services. Correct modifier usage is critical for payment.

Preventive Counseling + Problem E/M (Same Day)

If you provide a significant, separately identifiable counseling session on the same day as a problem-focused visit (e.g., 99213), you can bill both.

  • The Code: Bill the E/M code (99213) and 99401.
  • The Modifier: Append Modifier 25 to the E/M code (e.g., 99213-25). Do not append it to the 99401.
  • The Requirement: Documentation must support that the counseling was distinct from the standard care of the medical condition.

Preventive Counseling + Annual Physical

Generally Not Recommended. Most preventive exam codes (99381–99397) include age-appropriate counseling as part of the service. Billing 99401 alongside an annual physical often leads to denials or bundling.

Telehealth Modifiers

In 2025, many payers continue to cover 99401 via telehealth. Ensure you use the correct modifier based on payer policy:

  • Modifier 95 or GT: For real-time audio/video visits.
  • Modifier 93: For audio-only (telephone) visits (where permitted).

5. Payer Specifics: Medicare vs. Commercial

Coverage for 99401 varies drastically depending on the insurance type. This is the most common source of confusion for billing teams.

Payer Type Coverage Status What to Use Instead
Medicare (Part B) Non-Covered. Medicare statutorily excludes “routine preventive medicine counseling.” Use G-codes (G0447 for obesity, G0443 for alcohol) or CPT 99406/99407 for tobacco. Use Annual Wellness Visits (G0438/G0439).
Commercial (Private) Generally Covered. ACA mandates coverage for USPSTF A/B rated services (diet, tobacco, etc.). Use 99401–99404 with appropriate Z-codes (e.g., Z71.3). Often paid at 100% (no copay).
Medicaid Varies by State. Many follow Medicare rules (non-covered), while others cover it for specific programs. Check your state fee schedule. Some states use T-codes or S-codes for health education.
flowchart TD
    A[Preventive Counseling Provided] --> B{Is the counseling about a current medical problem?}
    B -->|Yes| C[Do NOT bill 99401 - Include in E/M service]
    B -->|No| D{Face-to-face time >= 8 minutes?}
    D -->|No| E[Do NOT bill 99401 - Time threshold not met]
    D -->|Yes| F{Payer type?}
    F -->|Medicare| G[Do NOT bill 99401 - Use G-codes instead]
    F -->|Commercial| H[Bill 99401 with Z-code diagnosis]
    F -->|Medicaid| I[Check state fee schedule]
    H --> J{Same-day problem E/M visit?}
    J -->|Yes| K[Add Modifier 25 to the E/M code]
    J -->|No| L[Submit claim]

6. Real-World Examples: Valid vs. Invalid Use

Valid Scenario 1: Diet Counseling (Commercial)

A 52-year-old with a family history of heart disease (but no personal diagnosis) visits for advice on heart-healthy eating. The physician spends 20 minutes discussing low-sodium diets.
Billing: 99401 linked to Z71.3 (Dietary counseling).

Valid Scenario 2: Asthma + Smoking (Commercial)

A patient visits for asthma follow-up. The doctor spends 15 minutes managing meds for wheezing. The patient also smokes, so the doctor spends an additional 10 minutes counseling on cessation strategies.
Billing: 99213-25 (Asthma) + 99401 (Tobacco).

Invalid Scenario: Medicare Patient

A Medicare patient requests diet advice for weight loss. The doctor spends 15 minutes counseling.
Result: Billing 99401 will result in a denial (Non-Covered Service). The provider should instead use HCPCS G0447 if the patient meets BMI criteria >30, or bill the patient privately if an ABN is signed.

7. 2025 Updates & Tips

  • No Definition Change: 99401 remains “approx. 15 minutes” in the 2025 CPT set.
  • Vaccine Counseling: Some payers continue to encourage 99401 for vaccine hesitancy counseling (e.g., COVID-19, RSV). Check payer bulletins.
  • Provider Types: Ensure the provider is eligible. Physicians, NPs, and PAs can bill 99401. Some payers allow dietitians or social workers, but this varies by contract.
  • Reimbursement: Commercial reimbursement for 99401 averages $40–$50, roughly half the rate of a mid-level office visit (99213).

8. Frequently Asked Questions (FAQ)

Can I bill 99401 for a Medicare patient?

Generally, No. Medicare Part B does not cover CPT 99401. Medicare pays for specific preventive counseling using G-codes (e.g., G0447 for obesity) or 99406/99407 for tobacco cessation.

Does CPT 99401 require a modifier 25?

No. If you are billing 99401 alongside a problem-oriented visit (e.g., 99213), the Modifier 25 goes on the 99213, not the 99401.

How much time is required for 99401?

Per the CPT midpoint rule, 99401 requires a minimum of 8 minutes of face-to-face counseling time (up to 22 minutes).

Can I use 99401 for group counseling?

No. CPT 99401 is for individual counseling only. For group sessions, you should use CPT codes 99411 or 99412.

Official Description

Preventive medicine counseling and/or risk factor reduction intervention(s) provided to an individual (separate procedure); approximately 15 minutes

© Copyright 2026 American Medical Association. All rights reserved.

Short Descr PREV MED CNSL INDIV APPRX 15
Medium Descr PREV MED CNSL&/RSK FCTR RDCTJ INDV APPROX 15 MIN
Long Descr Preventive medicine counseling and/or risk factor reduction intervention(s) provided to an individual (separate procedure); approximately 15 minutes
Status Code Non-Covered Service
Global Days XXX - Global Concept Does Not Apply
PC/TC Indicator (26, TC) 9 - Not Applicable
Multiple Procedures (51) 9 - Concept does not apply.
Bilateral Surgery (50) 9 - Concept does not apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 9 - Concept does not apply.
Co-Surgeons (62) 9 - Concept does not apply.
Team Surgery (66) 9 - Concept does not apply.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator Non-Covered Service, not paid under OPPS
Type of Service (TOS) 1 - Medical Care
Berenson-Eggers TOS (BETOS) M1B - Office visits - established
MUE 0
CCS Clinical Classification 227 - Other diagnostic procedures (interview, evaluation, consultation)

This is a primary code that can be used with these additional add-on codes.

96160 Telehealth Service (Medicare) Add-on Code Telemedicine Service (AMA) Audio-Only Telemedicine (AMA) MPFS Status: Active Code APC S Administration of patient-focused health risk assessment instrument (eg, health hazard appraisal) with scoring and documentation, per standardized instrument
96161 Telehealth Service (Medicare) Add-on Code Telemedicine Service (AMA) Audio-Only Telemedicine (AMA) MPFS Status: Active Code APC S Administration of caregiver-focused health risk assessment instrument (eg, depression inventory) for the benefit of the patient, with scoring and documentation, per standardized instrument
25 Significant, separately identifiable evaluation and management service by the same physician or other qualified health care professional on the same day of the procedure or other service: it may be necessary to indicate that on the day a procedure or service identified by a cpt code was performed, the patient's condition required a significant, separately identifiable e/m service above and beyond the other service provided or beyond the usual preoperative and postoperative care associated with the procedure that was performed. a significant, separately identifiable e/m service is defined or substantiated by documentation that satisfies the relevant criteria for the respective e/m service to be reported (see evaluation and management services guidelines for instructions on determining level of e/m service). the e/m service may be prompted by the symptom or condition for which the procedure and/or service was provided. as such, different diagnoses are not required for reporting of the e/m services on the same date. this circumstance may be reported by adding modifier 25 to the appropriate level of e/m service. note: this modifier is not used to report an e/m service that resulted in a decision to perform surgery. see modifier 57 for significant, separately identifiable non-e/m services, see modifier 59.
GA Waiver of liability statement issued as required by payer policy, individual case
GY Item or service statutorily excluded, does not meet the definition of any medicare benefit or, for non-medicare insurers, is not a contract benefit
95 Synchronous telemedicine service rendered via a real-time interactive audio and video telecommunications system: synchronous telemedicine service is defined as a real-time interaction between a physician or other qualified health care professional and a patient who is located at a distant site from the physician or other qualified health care professional. the totality of the communication of information exchanged between the physician or other qualified health care professional and the patient during the course of the synchronous telemedicine service must be of an amount and nature that would be sufficient to meet the key components and/or requirements of the same service when rendered via a face-to-face interaction. modifier 95 may only be appended to the services listed in appendix p. appendix p is the list of cpt codes for services that are typically performed face-to-face, but may be rendered via a real-time (synchronous) interactive audio and video telecommunications system.
59 Distinct procedural service: under certain circumstances, it may be necessary to indicate that a procedure or service was distinct or independent from other non-e/m services performed on the same day. modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported together, but are appropriate under the circumstances. documentation must support a different session, different procedure or surgery, different site or organ system, separate incision/excision, separate lesion, or separate injury (or area of injury in extensive injuries) not ordinarily encountered or performed on the same day by the same individual. however, when another already established modifier is appropriate it should be used rather than modifier 59. only if no more descriptive modifier is available, and the use of modifier 59 best explains the circumstances, should modifier 59 be used. note: modifier 59 should not be appended to an e/m service. to report a separate and distinct e/m service with a non-e/m service performed on the same date, see modifier 25.
33 Preventive services: when the primary purpose of the service is the delivery of an evidence based service in accordance with a us preventive services task force a or b rating in effect and other preventive services identified in preventive services mandates (legislative or regulatory), the service may be identified by adding 33 to the procedure. for separately reported services specifically identified as preventive, the modifier should not be used.
CR Catastrophe/disaster related
SA Nurse practitioner rendering service in collaboration with a physician
FQ The service was furnished using audio-only communication technology
AQ Physician providing a service in an unlisted health professional shortage area (hpsa)
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
GX Notice of liability issued, voluntary under payer policy
X1 Continuous/broad services: for reporting services by clinicians, who provide the principal care for a patient, with no planned endpoint of the relationship; services in this category represent comprehensive care, dealing with the entire scope of patient problems, either directly or in a care coordination role; reporting clinician service examples include, but are not limited to: primary care, and clinicians providing comprehensive care to patients in addition to specialty care
GZ Item or service expected to be denied as not reasonable and necessary
51 Multiple procedures: when multiple procedures, other than e/m services, physical medicine and rehabilitation services or provision of supplies (eg, vaccines), are performed at the same session by the same individual, the primary procedure or service may be reported as listed. the additional procedure(s) or service(s) may be identified by appending modifier 51 to the additional procedure or service code(s). note: this modifier should not be appended to designated "add-on" codes (see appendix d).
FP Service provided as part of family planning program
GC This service has been performed in part by a resident under the direction of a teaching physician
HM Less than bachelor degree level
24 Unrelated evaluation and management service by the same physician or other qualified health care professional during a postoperative period: the physician or other qualified health care professional may need to indicate that an evaluation and management service was performed during a postoperative period for a reason(s) unrelated to the original procedure. this circumstance may be reported by adding modifier 24 to the appropriate level of e/m service.
52 Reduced services: under certain circumstances a service or procedure is partially reduced or eliminated at the discretion of the physician or other qualified health care professional. under these circumstances the service provided can be identified by its usual procedure number and the addition of modifier 52, signifying that the service is reduced. this provides a means of reporting reduced services without disturbing the identification of the basic service. note: for hospital outpatient reporting of a previously scheduled procedure/service that is partially reduced or cancelled as a result of extenuating circumstances or those that threaten the well-being of the patient prior to or after administration of anesthesia, see modifiers 73 and 74 (see modifiers approved for asc hospital outpatient use).
93 Synchronous telemedicine service rendered via telephone or other real-time interactive audio-only telecommunications system : synchronous telemedicine service is defined as a real-time interaction between a physician or other qualified health care professional and a patient who is located away at a distant site from the physician or other qualified health care professional. the totality of the communication of information exchanged between the physician or other qualified health care professional and the patient during the course of the synchronous telemedicine service must be of an amount and nature that is sufficient to meet the key components and/or requirements of the same service when rendered via a face-to-face interaction.
AF Specialty physician
AM Physician, team member service
AT Acute treatment (this modifier should be used when reporting service 98940, 98941, 98942)
CC Procedure code change (use 'cc' when the procedure code submitted was changed either for administrative reasons or because an incorrect code was filed)
CS Cost-sharing waived for specified covid-19 testing-related services that result in and order for or administration of a covid-19 test and/or used for cost-sharing waived preventive services furnished via telehealth in rural health clinics and federally qualified health centers during the covid-19 public health emergency
FS Split (or shared) evaluation and management visit
GP Services delivered under an outpatient physical therapy plan of care
GT Via interactive audio and video telecommunication systems
GV Attending physician not employed or paid under arrangement by the patient's hospice provider
GW Service not related to the hospice patient's terminal condition
HK Specialized mental health programs for high-risk populations
KX Requirements specified in the medical policy have been met
PO Excepted service provided at an off-campus, outpatient, provider-based department of a hospital
Q1 Routine clinical service provided in a clinical research study that is in an approved clinical research study
Q5 Service furnished under a reciprocal billing arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area
Q6 Service furnished under a fee-for-time compensation arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area
QJ Services/items provided to a prisoner or patient in state or local custody, however the state or local government, as applicable, meets the requirements in 42 cfr 411.4 (b)
SC Medically necessary service or supply
U6 Medicaid level of care 6, as defined by each state
U7 Medicaid level of care 7, as defined by each state
UA Medicaid level of care 10, as defined by each state
UB Medicaid level of care 11, as defined by each state
XE Separate encounter, a service that is distinct because it occurred during a separate encounter
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
Date
Action
Notes
2024-01-01 Note Short and Medium Descriptions changed.
2013-01-01 Changed Medium Descriptor changed.
2011-01-01 Changed Short description changed.
1992-01-01 Added First appearance in code book in 1992.
Code
Description
Code
Description
Code
Description
CasePilot

Get instant expert-level medical coding assistance.

Ask about:
CPT Codes Guidelines Modifiers Crosswalks NCCI Edits Compliance Medicare Coverage
Example: "What is CPT code 99213?" or "Guidelines for E/M services"