G0399 Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation

Billable / valid for submission HCPCS Release 2026Q3

Short description: Home sleep test/type 3 porta

Version history

Related codes in G03

• G0300 Direct skilled nursing services of a licensed practical nurse (lpn) in the home health or hospice setting, each 15 minutes
• G0302 Pre-operative pulmonary surgery services for preparation for lvrs, complete course of services, to include a minimum of 16 days of services
• G0303 Pre-operative pulmonary surgery services for preparation for lvrs, 10 to 15 days of services
• G0304 Pre-operative pulmonary surgery services for preparation for lvrs, 1 to 9 days of services
• G0305 Post-discharge pulmonary surgery services after lvrs, minimum of 6 days of services
• G0306 Complete cbc, automated (hgb, hct, rbc, wbc, without platelet count) and automated wbc differential count
• G0307 Complete (cbc), automated (hgb, hct, rbc, wbc; without platelet count)
• G0310 Immunization counseling by a physician or other qualified health care professional when the vaccine(s) is not administered on the same date of service, 5 to 15 mins time (this code is used for medicaid billing purposes)
• G0311 Immunization counseling by a physician or other qualified health care professional when the vaccine(s) is not administered on the same date of service, 16-30 mins time (this code is used for medicaid billing purposes)
• G0312 Immunization counseling by a physician or other qualified health care professional when the vaccine(s) is not administered on the same date of service for ages under 21, 5 to 15 mins time (this code is used for medicaid billing purposes)
• G0313 Immunization counseling by a physician or other qualified health care professional when the vaccine(s) is not administered on the same date of service for ages under 21, 16-30 mins time (this code is used for medicaid billing purposes)
• G0314 Immunization counseling by a physician or other qualified health care professional for covid-19, ages under 21, 16-30 mins time (this code is used for the medicaid early and periodic screening, diagnostic, and treatment benefit (epsdt)
• G0315 Immunization counseling by a physician or other qualified health care professional for covid-19, ages under 21, 5-15 mins time (this code is used for the medicaid early and periodic screening, diagnostic, and treatment benefit (epsdt)
• G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualified healthcare professional, with or without direct patient contact (list separately in addition to cpt codes 99223, 99233, and 99236 for hospital inpatient or observation care evaluation and management services). (do not report g0316 on the same date of service as other prolonged services for evaluation and management 99358, 99359, 99418, 99415, 99416). (do not report g0316 for any time unit less than 15 minutes)
• G0317 Prolonged nursing facility evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualified healthcare professional, with or without direct patient contact (list separately in addition to cpt codes 99306, 99310 for nursing facility evaluation and management services). (do not report g0317 on the same date of service as other prolonged services for evaluation and management 99358, 99359, 99418). (do not report g0317 for any time unit less than 15 minutes)
• G0318 Prolonged home or residence evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualified healthcare professional, with or without direct patient contact (list separately in addition to cpt codes 99345, 99350 for home or residence evaluation and management services). (do not report g0318 on the same date of service as other prolonged services for evaluation and management 99358, 99359, 99417). (do not report g0318 for any time unit less than 15 minutes)
• G0320 Home health services furnished using synchronous telemedicine rendered via a real-time two-way audio and video telecommunications system
• G0321 Home health services furnished using synchronous telemedicine rendered via telephone or other real-time interactive audio-only telecommunications system
• G0322 The collection of physiologic data digitally stored and/or transmitted by the patient to the home health agency (i.e., remote patient monitoring)
• G0323 Care management services for behavioral health conditions, at least 20 minutes of clinical psychologist, clinical social worker, mental health counselor, or marriage and family therapist time, per calendar month. (these services include the following required elements: initial assessment or follow-up monitoring, including the use of applicable validated rating scales; behavioral health care planning in relation to behavioral/psychiatric health problems, including revision for patients who are not progressing or whose status changes; facilitating and coordinating treatment such as psychotherapy, coordination with and/or referral to physicians and practitioners who are authorized by medicare to prescribe medications and furnish e/m services, counseling and/or psychiatric consultation; and continuity of care with a designated member of the care team)

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