G8850 HCPCS Level II Code: Positive airway pressure therapy not prescribed, reason not given
Medicare Coverage & Payment
- CMS short descriptor: No pap prescribed
- Medicare coverage: Carrier judgment (CMS coverage code C)
- Payment category: Service not separately priced (pricing indicator 00)
- BETOS: M5B — Specialist - psychiatry
- Last CMS action effective: January 1, 2013
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 G8850 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)
- G8811 — Documentation rh-immunoglobulin (rhogam) was not ordered, reason not given[Sibling]— CMS HCPCS Level II code set
- G8815 — Documented reason in the medical records for why the statin therapy was not prescribed (i.e., lower extremity bypass was for a patient with non-artherosclerotic disease)[Sibling]— CMS HCPCS Level II code set
- G8816 — Statin medication prescribed at discharge[Sibling]— CMS HCPCS Level II code set
- G8817 — Statin therapy not prescribed at discharge, reason not given[Sibling]— CMS HCPCS Level II code set
- G8818 — Patient discharge to home no later than post-operative day #7[Sibling]— CMS HCPCS Level II code set
- G8825 — Patient not discharged to home by post-operative day #7[Sibling]— CMS HCPCS Level II code set
- G8826 — Patient discharged to home no later than post-operative day #2 following evar[Sibling]— CMS HCPCS Level II code set
- G8833 — Patient not discharged to home by post-operative day #2 following evar[Sibling]— CMS HCPCS Level II code set
- and 32 more
Change history
- January 1, 2012 — 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, 2012Added to the code setPositive airway pressure therapy not prescribed, reason not given
Nearest Codes in This Family
Official HCPCS Level II classifications closest to G8850 in its code family, with their registry titles.
- G8844 — Apnea hypopnea index (ahi), respiratory disturbance index (rdi), or respiratory event index (rei) not documented or measured within 2 months after initial evaluation for suspected obstructive sleep…
- G8845 — Positive airway pressure therapy prescribed
- G8846 — Moderate or severe obstructive sleep apnea (apnea hypopnea index (ahi) or respiratory disturbance index (rdi) of 15 or greater)
- G8848 — Mild obstructive sleep apnea (apnea hypopnea index (ahi) or respiratory disturbance index (rdi) of less than 15)
- G8849 — Documentation of reason(s) for not prescribing positive airway pressure therapy (e.g., patient unable to tolerate, alternative therapies use, patient declined, financial, insurance coverage)
- G8851 — Adherence to therapy was assessed at least annually through an objective informatics system or through self-reporting (if objective reporting is not available, documented)
- G8852 — Positive airway pressure therapy was prescribed
- G8853 — Positive airway pressure therapy not prescribed
- G8854 — Documentation of reason(s) for not objectively reporting adherence to evidence-based therapy (e.g., patients who have been diagnosed with a terminal or advanced disease with an expected life span of…
- G8855 — Adherence to therapy was not assessed at least annually through an objective informatics system or through self-reporting (if objective reporting is not available), reason not given