G0493 HCPCS code: Skilled services of a registered nurse (rn) for the observation and assessment of the patient's condition, each 15 minutes (the change in the patient's condition requires skilled nursing personnel to identify and evaluate the patient's need for possible modification of treatment in the home health or hospice setting)

G0493 is the HCPCS Level II code for skilled services of a registered nurse (rn) for the observation and assessment of the patient's condition, each 15 minutes (the change in the patient's condition requires skilled nursing personnel to identify and evaluate the patient's need for possible modification of treatment in the home health or hospice setting). Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. The NCCI unit limit is 1 per day on outpatient hospital claims.

Code details

FieldValue
SectionG codes — Procedures and professional services (temporary)
Coverage codeC — Carrier judgment
Pricing indicator00 — Not separately priced by Medicare
BETOS categoryY2
Added2017-01-01
Last action effective2017-01-01

NCCI unit limits (MUE)

Claim typeMax units per dayRationale
outpatient hospital claims1Clinical: CMS Workgroup
practitioner claims1Clinical: CMS Workgroup

What changed for G0493

Frequently asked questions

What is HCPCS code G0493?

G0493 is the HCPCS Level II code for skilled services of a registered nurse (rn) for the observation and assessment of the patient's condition, each 15 minutes (the change in the patient's condition requires skilled nursing personnel to identify and evaluate the patient's need for possible modification of treatment in the home health or hospice setting). Short descriptor: "Rn care ea 15 min hh/hospice".

Does Medicare cover G0493?

Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.

How many units of G0493 can be billed per day?

1 on outpatient hospital claims; 1 on practitioner claims (NCCI medically unlikely edits).

Related G04 codes

Building a device that would bill under a code like this? Caduvo matches a device description to HCPCS/CPT codes, Medicare coverage and payment, and the FDA pathway in one report.

Next steps

Sources: CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.

All G codes · HCPCS lookup