Reimbursement
$106.88
Threshold
50m
2026 Status
Active
What is CPT Code 99233?
CPT 99233 is defined as: 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 high level medical decision making. Involves severe unstable problems or those with high risk of morbidity.
This code is primarily used for E/M services. It falls under the category of Hospital Inpatient/Observation & Emergency Department and is valid for the 2026 calendar year according to the CMS Physician Fee Schedule.
2026 RVU Components
Relative Value Units (Non-Facility)
Work RVU
2.4
Physician Effort
PE (Non-Fac)
0.62
Practice Expense
Malpractice
0.18
Risk Factor
Total RVU
3.2
Note: [(Work RVU * Work GPCI) + (PE RVU * PE GPCI) + (MP RVU * MP GPCI)] * Conversion Factor
2026 CMS Policy Intelligence
intensity defense
wRVU of 2.4 recognizes the intense daily cognitive work required for the sickest non-critical hospital patients.
efficiency shield
Exempt from -2.5% efficiency cut.
prolonged time update
Following the 2026 rule, G2212 should be added if professional time reaches 65 minutes for subsequent care.
Administrative Framework
Global Period
000
Place of Service
NCCI Exclusions
Operational Requirements
minimum time
50 minutes (if billing by time)
staff type
Physician or other Qualified Health Care Professional (QHP)
frequency
Once per day per specialty
add on codes
G2212 (Prolonged services - if time exceeds 65 minutes)
care plan requirement
High MDM: management of severe unstable chronic illness or acute life-threatening situations.
Compliance Checklist
Audit Defense
No specific audit defense elements defined.
2026 Update
Medicare is auditing the 'Subsequent 3' (99233) usage in post-ICU step-down units to ensure high MDM is strictly met.
Common Clinical Scenarios
CMS Eligibility: 1+ unstable life-threatening condition or highly complex multi-systemic disease. Stay management
Target Specialties & Utilization
Typical Clinical Indications (ICD-10)
Billing Differentiation
VS 99232
99232 is moderate MDM (35m); 99233 is high MDM (50m).
VS 99223
99223 is the INITIAL admission; 99233 is the SUBSEQUENT day.
Maximize Revenue with AI Confidence
Stop leaving earned revenue on the table. CPT Copilot (Coming Soon) automatically handles the complexity of 2026 CMS policies, identifying every opportunity while ensuring 100% compliance.