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PCMAdd-on2026 Compliant

CPT 99427

2026 Billing Guide

PCM Staff Add-on 30 min

Reimbursement

$45.42

Threshold

30m

2026 Status

Active

What is CPT Code 99427?

CPT 99427 is defined as: Principal care management services, for a single high-risk disease, each additional 30 minutes of clinical staff time directed by a physician or other qualified health care professional, per calendar month (List separately in addition to code for primary procedure).

This code is primarily used for PCM services. It falls under the category of Care Management / PCM and is valid for the 2026 calendar year according to the CMS Physician Fee Schedule.

2026 RVU Components

Relative Value Units (Non-Facility)

Standard Formula Applied

Work RVU

0.05

Physician Effort

PE (Non-Fac)

1.28

Practice Expense

Malpractice

0.03

Risk Factor

Total RVU

1.36

Note: [(Work RVU * Work GPCI) + (PE RVU * PE GPCI) + (MP RVU * MP GPCI)] * Conversion Factor

2026 CMS Policy Intelligence

efficiency shield

Protected from the -2.5% productivity adjustment (Care Management service).

stacking efficiency

Staff PCM add-ons ($48.43) allow specialist practices to capture the true cost of complex case management that exceeds the initial 30-minute block.

fqhc rhc transition

FQHCs can now scale staff-led PCM billing using 99427 units for high-intensity cases, moving away from flat G0511 rates.

Administrative Framework

Place of Service

11 (Office)22 (Outpatient Hospital)

NCCI Exclusions

Do not bill with:9943999489G0511

Key Modifiers

G2211Applicable to the directing provider's complex management plan.

Required Primary Codes

Must be billed alongside a primary service.

Operational Requirements

minimum time

Each additional 30 minutes (Threshold starts at 60 total aggregate staff minutes).

primary code

99426 (Must be billed for the first 30 minutes).

frequency

Multiple units allowed per calendar month.

supervision

General supervision by Physician/QHP.

Compliance Checklist

Aggregate clinical staff time for the month (e.g., 60+, 90+, 120+ minutes).
Distinct clinical activities documented for each time block.
Linkage to the MD/QHP established complex care plan.

Audit Defense

time integrity

Audit defense relies on specific, non-repetitive descriptions of interventions (e.g., avoid 'called patient' generic notes; use 'reviewed lab result XYZ and adjusted dose per protocol').

threshold verification

Ensure aggregate time actually hits the 60, 90, 120 mark before billing additional units.

2026 Update

Medicare audits focus on 'cloned' documentation across multiple units. Each unit must represent unique, medically necessary clinical work.

Common Clinical Scenarios

Nephrology staff spending 65 minutes coordinating hemodialysis shifts, monitoring lab instability, and Titrating medications (Bill 99426 + 1 unit of 99427).
Oncology nurse spending 95 minutes managing severe chemotherapy side effects and patient distress calls in a month (Bill 99426 + 2 units of 99427).

Target Specialties & Utilization

NephrologyCardiologyOncology

Typical Clinical Indications (ICD-10)

N18.6 (ESRD)I13.2 (Hypertensive heart and renal disease)C18.9 (Colon cancer, unspecified)

Frequently Asked Questions

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CPT Code 99427 for PCM Staff Add-on 30 min - 2026 Reimbursement & Rules