G0545 Visit complexity inherent to hospital inpatient or observation care associated with a confirmed or suspected infectious disease by an infectious diseases specialist, including disease transmission risk assessment and mitigation, public health investigation, analysis, and testing, and complex antimicrobial therapy counseling and treatment (add-on code, list separately in addition to hospital inpatient or observation evaluation and management visit, initial, same day discharge, subsequent or discharge)

Short descriptor: Inherent visit to inpt

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G0545 is the HCPCS Level II code for Visit complexity inherent to hospital inpatient or observation care associated with a confirmed or suspected infectious disease by an infectious diseases specialist, including disease transmission risk assessment and mitigation, public health investigation, analysis, and testing, and complex antimicrobial therapy counseling and treatment (add-on code, list separately in addition to hospital inpatient or observation evaluation and management visit, initial, same day discharge, subsequent or discharge) (2026). It belongs to Section G — Procedures / Professional Services (Temporary). Under Medicare, its coverage status is: Carrier judgment. Part B pricing methodology: Priced by carriers (physician fee schedule).

Classification & CMS Attributes

Medicare Coverage
Carrier judgment (code C)
Part B Pricing
Priced by carriers (physician fee schedule) (indicator 13)
Type of Service
Medical care
Effective Date
2025-01-01
2026 Maintenance
No change this year

References

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G0545 — Visit complexity inherent to hospital inpatient or observation care associated with a confirmed or suspected infectious disease by an infectious diseases specialist, including disease transmission risk assessment and mitigation, public health investigation, analysis, and testing, and complex antimicrobial therapy counseling and treatment (add-on code, list separately in addition to hospital inpatient or observation evaluation and management visit, initial, same day discharge, subsequent or discharge). ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/G0545

Canonical URL: https://icd10codingpro.com/hcpcs-codes/G0545

Related Codes in Section G

← G0544 Post d/c phone follow up G0546 → Phone/internet ehr assess
G0541 No pt prsnt train initial 30 G0542 No pt prsnt train add 15 G0543 Group train w/o patient G0544 Post d/c phone follow up G0546 Phone/internet ehr assess G0547 Phone/internet svs 11-20 m G0548 Phone/inter svs 21-30 m G0549 Phone/inter for treat>31m G0550 Phone/inter for dx/treat >5m G0551 Phn/intr svs fr dx treat 30m
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2026-01-01

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