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99395 CPT Code Description: Billing & Reimbursement Guide 2026

CPT code 99395 is used for preventive visits for established patients aged 18–39. It includes exams, counseling, and screenings but excludes treatment services. Proper billing, documentation, and modifier usage ensure accurate reimbursement and reduce claim denials in medical billing....

CPT code 99395 description refers to a preventive medicine service used for established patients aged 18 – 39 years. It is one of the most frequently used and often misunderstood, codes in medical billing.Defined by the American Medical Association, this code represents an annual wellness or physical exam focused on prevention rather than treatment.Despite its simplicity, many providers and billers make costly mistakes when using CPT 99395 leading to claim denials, compliance issues, and lost revenue.In this complete guide, you’ll learn:

What CPT code 99395 means
Age limits and eligibility
What’s included (and not included)
Billing rules and modifier -25 usage
ICD-10 codes
2026 reimbursement rates
Claim denial reasons and fixes

What Is CPT Code 99395? (Official Description & Definition)

CPT code 99395 is defined as:Preventive medicine reevaluation and management of an established patient, including age-appropriate history, examination, counseling, and risk factor reduction (ages 18–39).This code falls under preventive Evaluation & Management (E/M) services, designed to promote health and detect early risk factors.

Quick Facts

Field	Details
Code	99395
Category	Preventive E/M
Patient Type	Established
Age Range	18–39 years
Visit Type	Annual preventive exam
Frequency	Once per year

Simple Explanation

Preventive visit → Not for illness
Established patient → Seen within last 3 years
Goal → Maintain health, not treat disease

This section answers:

What is CPT code 99395?
What does CPT code 99395 mean?
CPT code 99395 definition

CPT Code 99395 Age Limit & Patient Eligibility

One of the most important billing rules for CPT 99395 is the age requirement.

Age Range:

18–39 years only

Patient Status:

Must be an established patient (seen within 3 years)

Common Mistake

Using CPT 99395 for a new patient leads to immediate claim denial.Correct code for new patients:

99385 (ages 18 – 39)

Preventive Code Comparison by Age

CPT Code	Patient Type	Age Range
99385	New	18–39
99395	Established	18–39
99396	Established	40–64
99397	Established	65+

Age Transition Rule

Once a patient turns 40, you must switch to 99396.

What Is Included in CPT Code 99395?

CPT 99395 includes a comprehensive preventive visit, covering multiple components.

Included Services

Comprehensive Medical History
- Past medical history
- Family history
- Social history
Physical Examination
- Vital signs
- Heart and lung exam
- Abdominal and musculoskeletal exam
Health Risk Assessment
- Lifestyle evaluation
- Chronic disease risk
Counseling & Preventive Guidance
- Diet and exercise
- Mental health
- Substance use
- Sexual health
Preventive Screenings
- Blood pressure
- Diabetes
- Cholesterol
Immunization Review
- Vaccines recommended or ordered

Is a Pap Smear Included in CPT Code 99395?

Short Answer (AEO optimized):

Pap smear evaluation → Included
Pap smear collection/lab → Billed separately

Separate codes may include:

Q0091 (Medicare)
Cytology CPT codes

What Is NOT Included

These services must be billed separately:

Lab tests (CBC, lipid panel)
Immunization administration (90471–90474)
Problem-oriented visits
Procedures

CPT Code 99395 Billing Rules, Modifier 25 & ICD-10 Codes

Understanding billing rules is critical for correct reimbursement.

When to Use CPT 99395

Use this code when:

Visit is preventive
Patient is 18 – 39
Patient is established
No major complaint drives the visit

Modifier -25

Modifier -25 is used when a separate problem-oriented service is provided on the same day.

Real-World Example

A 28-year-old patient comes for:

Annual physical
Complains of knee pain

Billing should be:

Service	Code	Modifier	Diagnosis
Preventive visit	99395	—	Z00.00
Problem visit	99213	-25	M25.561

ICD-10 Codes for CPT 99395

Use preventive diagnosis codes:

Z00.00 → Without abnormal findings
Z00.01 → With abnormal findings

These codes support medical necessity and reduce denials.

Frequency Rules

Typically once per year
Some payers use:
- Calendar year
- Rolling 12 months

Documentation Requirements for CPT Code 99395

Accurate documentation is essential for compliance and reimbursement.

Required Documentation Checklist

Patient age and status
Comprehensive history
Physical exam details
Counseling provided
Risk factor assessment
Preventive nature clearly stated

Pro Tip

Always document that the visit is preventive in nature, this helps during audits.

EHR Tip

Use templates to:

Improve consistency
Reduce errors
Speed up documentation

2026 Reimbursement Rates for CPT Code 99395

One of the biggest content gaps in competitor articles is actual reimbursement data.

Average 2026 Reimbursement

$140 – $190 per visit (commercial insurance)

Rates vary based on:

Location
Payer
Facility type

RVU Breakdown (Concept Overview)

Reimbursement is based on:

Work RVU
Practice Expense RVU
Malpractice RVU

Medicare Coverage

According to the Centers for Medicare & Medicaid Services:CPT 99395 is NOT covered by traditional MedicareInstead, Medicare uses:

G0438 (Initial wellness visit)
G0439 (Subsequent wellness visit)

Geographic Variation

Urban areas → Higher reimbursement
Rural areas → Lower rates

CPT Code 99395 vs 99385 vs 99396

Choosing the correct code is essential.

Comparison Table

Code	Patient Type	Age	Description
99385	New	18–39	Preventive visit
99395	Established	18–39	Preventive visit
99396	Established	40–64	Preventive visit

Key Insight

Using the wrong code results in:

Claim denial
Payment delays

Top 5 CPT Code 99395 Claim Denial Reasons & Fixes

This is where most providers lose revenue.

1. Wrong Patient Type

Issue: Billing 99395 for new patients
Fix: Verify patient history

2. Missing Modifier -25

Issue: Same-day E/M without modifier
Fix: Always append -25

3. Medicare Misuse

Issue: Billing 99395 to Medicare
Fix: Use G0438/G0439

4. Incomplete Documentation

Issue: Missing preventive details
Fix: Use checklist

5. Incorrect Age Code

Issue: Using wrong age category
Fix: Verify DOB

Can NPs and PAs Bill CPT Code 99395?

Yes, nurse practitioners (NPs) and physician assistants (PAs) can bill CPT 99395.

Billing Options:

Under their own NPI
Under incident-to billing

Incident-To Requirements:

Physician supervision
Physician involved in care plan
Proper documentation

CPT Code 99395 Quick-Reference Cheat Sheet

Field	Value
Code	99395
Age Range	18–39
Patient Type	Established
Visit Type	Preventive
Frequency	Annual
Avg Cost	$140–$190
ICD-10 Codes	Z00.00 / Z00.01
Modifier	-25 (if needed)
Medicare	Not covered

Conclusion

CPT code 99395 is a critical preventive service code used for established patients aged 18–39. While it seems straightforward, incorrect usage can lead to denials and lost revenue.By understanding:

Age limits
Billing rules
Modifier usage
Documentation requirements

You can ensure accurate coding, maximize reimbursement, and maintain compliance.Always verify payer policies and stay updated with coding guidelines to avoid costly mistakes.