G0379 HCPCS Level II Code: Direct admission of patient for hospital observation care
Medicare Coverage & Payment
- CMS short descriptor: Direct refer hospital observ
- Medicare coverage: Special coverage instructions apply (CMS coverage code D)
- Payment category: Service not separately priced (pricing indicator 00)
- BETOS: M2A — Hospital visit - initial
- Last CMS action effective: January 1, 2010
Source: CMS HCPCS Level II release. Coverage codes indicate how Medicare treats the code, not whether a specific claim will be paid; payer policy and documentation still govern.
Contextual Map
Every relationship of G0379 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Nearest codes (40)
- G0309 — Removal of implantable interstitial glucose sensor with creation of subcutaneous pocket at different anatomic site and insertion of new 180 day implantable sensor, including system activation[Sibling]— CMS HCPCS Level II code set
- 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)[Sibling]— CMS HCPCS Level II code set
- 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)[Sibling]— CMS HCPCS Level II code set
- 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)[Sibling]— CMS HCPCS Level II code set
- 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)[Sibling]— CMS HCPCS Level II code set
- 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)[Sibling]— CMS HCPCS Level II code set
- 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)[Sibling]— CMS HCPCS Level II code set
- 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)[Sibling]— CMS HCPCS Level II code set
- and 32 more
Change history
- January 1, 2006 — Added to the code set [Change history]— CMS release files (code change ledger)
Sources for this page
Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.
- Code, descriptors, coverage and pricing attributes Official source data
- CMS HCPCS Alpha-Numeric (ANWEB) release — July 2026 quarterly update Release, file and checksum · Publisher’s page
- Change history and date-of-service validity Official source data
- CMS HCPCS quarterly update files, ingested into the change ledger Release, file and checksum · Publisher’s page
- Comparisons, relationships and the contextual map MedCoder structured relationship
- Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
- Summary and FAQ answers MedCoder explanation
- Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.
Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates
Change history
- January 1, 2006Added to the code setDirect admission of patient for hospital observation care
Nearest Codes in This Family
Official HCPCS Level II classifications closest to G0379 in its code family, with their registry titles.
- G0343 — Laparotomy for islet cell transplant, includes portal vein catheterization and infusion
- G0364 — Bone marrow aspiration performed with bone marrow biopsy through the same incision on the same date of service
- G0365 — Vessel mapping of vessels for hemodialysis access (services for preoperative vessel mapping prior to creation of hemodialysis access using an autogenous hemodialysis conduit, including arterial…
- G0372 — Physician service required to establish and document the need for a power mobility device
- G0378 — Hospital observation service, per hour
- G0380 — Level 1 hospital emergency department visit provided in a type b emergency department; (the ed must meet at least one of the following requirements: (1) it is licensed by the state in which it is…
- G0381 — Level 2 hospital emergency department visit provided in a type b emergency department; (the ed must meet at least one of the following requirements: (1) it is licensed by the state in which it is…
- G0382 — Level 3 hospital emergency department visit provided in a type b emergency department; (the ed must meet at least one of the following requirements: (1) it is licensed by the state in which it is…
- G0383 — Level 4 hospital emergency department visit provided in a type b emergency department; (the ed must meet at least one of the following requirements: (1) it is licensed by the state in which it is…
- G0384 — Level 5 hospital emergency department visit provided in a type b emergency department; (the ed must meet at least one of the following requirements: (1) it is licensed by the state in which it is…