Primary E/M service* Prolonged service code Time threshold Timeframe counted

Initial inpatient or observation visit (99223)

G0316

90 minutes

Date of visit

Subsequent inpatient or observation (99233)

G0316

65 minutes

Date of visit

 

Inpatient or observation same-day admission or discharge (99236)

G0316

110 minutes

Date of visit to 3 days after

Initial nursing facility visit (99306)

G0317

95 minutes

1 day before visit, date of visit, and 3 days after

Subsequent nursing facility visit (99310)

G0317

85 minutes

1 day before visit, date of visit, and 3 days after

New patient home or residence visit (99345)

G0318

140 minutes

3 days before visit, date of visit, and 7 days after

Established patient home or residence visit (99350)

G0318

110 minutes

3 days before visit, date of visit, and 7 days after

Cognitive assessment and care planning (99483)

G2212

100 minutes

3 days before visit, date of visit, and 7 days after