Coding at a Glance

CMS cross-references: 1 related code

Medicare Coverage & Payment

CMS short descriptor: Xe129 xenon, diagnostic
Medicare coverage: Special coverage instructions apply (CMS coverage code D)
Pricing indicator: 53
BETOS: I1E — Standard imaging - nuclear medicine
Last CMS action effective: October 1, 2024
Terminated: September 30, 2024

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.

Code Set: Removed from the code set — not valid on or after October 1, 2024.

Related Codes

CMS cross-reference: code to use instead

The CMS HCPCS Level II code set carries an explicit cross-reference from this code (deleted or not valid for Medicare) to this code. A cross-referenced code can itself have been retired since; a terminated target is marked.

A9610 — Xenon xe-129 hyperpolarized gas, diagnostic, per study dose

Contextual Map

Every relationship of C9150 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)

C9121 — Injection, argatroban, per 5 mg[Sibling]— CMS HCPCS Level II code set
C9122 — Mometasone furoate sinus implant, 10 micrograms (sinuva)[Sibling]— CMS HCPCS Level II code set
C9132 — Prothrombin complex concentrate (human), kcentra, per i.u. of factor ix activity[Sibling]— CMS HCPCS Level II code set
C9133 — Factor ix (antihemophilic factor, recombinant), rixubis, per i.u.[Sibling]— CMS HCPCS Level II code set
C9134 — Factor xiii (antihemophilic factor, recombinant), tretten, per 10 i.u.[Sibling]— CMS HCPCS Level II code set
C9135 — Factor ix (antihemophilic factor, recombinant), alprolix, per i.u.[Sibling]— CMS HCPCS Level II code set
C9136 — Injection, factor viii, fc fusion protein, (recombinant), per i.u.[Sibling]— CMS HCPCS Level II code set
C9137 — Injection, factor viii (antihemophilic factor, recombinant) pegylated, 1 i.u.[Sibling]— CMS HCPCS Level II code set
and 32 more

CMS cross-reference

A9610 — Xenon xe-129 hyperpolarized gas, diagnostic, per study dose[Cross-referenced to]— CMS HCPCS Level II code set (cross-reference field) · JUL2026

Change history (2)

October 1, 2024 — Removed from the code set [Change history]— CMS release files (code change ledger)
and 1 more

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

October 1, 2024
Removed from the code set
Xenon xe-129 hyperpolarized gas, diagnostic, per study dose
July 1, 2023
Added to the code set
Xenon xe-129 hyperpolarized gas, diagnostic, per study dose

Nearest Codes in This Family

Official HCPCS Level II classifications closest to C9150 in its code family, with their registry titles.

C9150 HCPCS Level II Code: Xenon xe-129 hyperpolarized gas, diagnostic, per study dose