G9540 HCPCS Level II Code: Patient alive 3 months post procedure
Medicare Coverage & Payment
- CMS short descriptor: Pt alive 3 mos post proc
- Medicare coverage: Carrier judgment (CMS coverage code C)
- Payment category: Service not separately priced (pricing indicator 00)
- BETOS: Z2 — Undefined codes
- Last CMS action effective: January 1, 2016
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 G9540 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)
- G9518 — Documentation of active injection drug use[Sibling]— CMS HCPCS Level II code set
- G9519 — Patient achieves final refraction (spherical equivalent) +/- 1.0 diopters of their planned refraction within 90 days of surgery[Sibling]— CMS HCPCS Level II code set
- G9520 — Patient does not achieve final refraction (spherical equivalent) +/- 1.0 diopters of their planned refraction within 90 days of surgery[Sibling]— CMS HCPCS Level II code set
- G9521 — Total number of emergency department visits and inpatient hospitalizations less than two in the past 12 months[Sibling]— CMS HCPCS Level II code set
- G9522 — Total number of emergency department visits and inpatient hospitalizations equal to or greater than two in the past 12 months or patient not screened, reason not given[Sibling]— CMS HCPCS Level II code set
- G9523 — Patient discontinued from hemodialysis or peritoneal dialysis[Sibling]— CMS HCPCS Level II code set
- G9524 — Patient was referred to hospice care[Sibling]— CMS HCPCS Level II code set
- G9525 — Documentation of patient reason(s) for not referring to hospice care (e.g., patient declined, other patient reasons)[Sibling]— CMS HCPCS Level II code set
- and 32 more
Change history
- January 1, 2016 — 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, 2016Added to the code setPatient alive 3 months post procedure
Nearest Codes in This Family
Official HCPCS Level II classifications closest to G9540 in its code family, with their registry titles.
- G9535 — Patients with a normal neurological examination
- G9536 — Documentation of medical reason(s) for ordering an advanced brain imaging study (i.e., patient has an abnormal neurological examination; patient has the coexistence of seizures, or both; recent onset…
- G9537 — Imaging needed as part of a clinical trial; or other clinician ordered the study
- G9538 — Advanced brain imaging (cta, ct, mra or mri) was ordered
- G9539 — Intent for potential removal at time of placement
- G9541 — Filter removed within 3 months of placement
- G9542 — Documented re-assessment for the appropriateness of filter removal within 3 months of placement
- G9543 — Documentation of at least two attempts to reach the patient to arrange a clinical re-assessment for the appropriateness of filter removal within 3 months of placement
- G9544 — Patients that do not have the filter removed, documented re-assessment for the appropriateness of filter removal, or documentation of at least two attempts to reach the patient to arrange a clinical…
- G9547 — Cystic renal lesion that is simple appearing (bosniak i or ii) , or adrenal lesion less than or equal to 1.0 cm or adrenal lesion greater than 1.0 cm but less than or equal to 4.0 cm classified as…