G9143 HCPCS Level II Code: Warfarin responsiveness testing by genetic technique using any method, any number of specimen(s)

Contextual Map

Every relationship of G9143 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)

• G9115 — Oncology; disease status; ovarian cancer, limited to epithelial cancer; pathologic stage iii-iv; without evidence of progression, recurrence, or metastases (for use in a medicare-approved demonstration project)[Sibling]— CMS HCPCS Level II code set
• G9116 — Oncology; disease status; ovarian cancer, limited to epithelial cancer; evidence of disease progression, or recurrence, and/or platinum resistance (for use in a medicare-approved demonstration project)[Sibling]— CMS HCPCS Level II code set
• G9117 — Oncology; disease status; ovarian cancer, limited to epithelial cancer; extent of disease unknown, staging in progress, or not listed (for use in a medicare-approved demonstration project)[Sibling]— CMS HCPCS Level II code set
• G9123 — Oncology; disease status; chronic myelogenous leukemia, limited to philadelphia chromosome positive and/or bcr-abl positive; chronic phase not in hematologic, cytogenetic, or molecular remission (for use in a medicare-approved demonstration project)[Sibling]— CMS HCPCS Level II code set
• G9124 — Oncology; disease status; chronic myelogenous leukemia, limited to philadelphia chromosome positive and/or bcr-abl positive; accelerated phase not in hematologic cytogenetic, or molecular remission (for use in a medicare-approved demonstration project)[Sibling]— CMS HCPCS Level II code set
• G9125 — Oncology; disease status; chronic myelogenous leukemia, limited to philadelphia chromosome positive and/or bcr-abl positive; blast phase not in hematologic, cytogenetic, or molecular remission (for use in a medicare-approved demonstration project)[Sibling]— CMS HCPCS Level II code set
• G9126 — Oncology; disease status; chronic myelogenous leukemia, limited to philadelphia chromosome positive and/or bcr-abl positive; in hematologic, cytogenetic, or molecular remission (for use in a medicare-approved demonstration project)[Sibling]— CMS HCPCS Level II code set
• G9128 — Oncology; disease status; limited to multiple myeloma, systemic disease; smoldering, stage i (for use in a medicare-approved demonstration project)[Sibling]— CMS HCPCS Level II code set
• and 32 more

Change history

• August 3, 2009 — 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

Nearest Codes in This Family

Official HCPCS Level II classifications closest to G9143 in its code family, with their registry titles.

• G9136 — Oncology; disease status; non-hodgkin's lymphoma, transformed from original cellular diagnosis to a second cellular classification (for use in a medicare-approved demonstration project)
• G9137 — Oncology; disease status; non-hodgkin's lymphoma, any cellular classification; relapsed/refractory (for use in a medicare-approved demonstration project)
• G9138 — Oncology; disease status; non-hodgkin's lymphoma, any cellular classification; diagnostic evaluation, stage not determined, evaluation of possible relapse or non-response to therapy, or not listed…
• G9139 — Oncology; disease status; chronic myelogenous leukemia, limited to philadelphia chromosome positive and/or bcr-abl positive; extent of disease unknown, staging in progress, not listed (for use in a…
• G9140 — Frontier extended stay clinic demonstration; for a patient stay in a clinic approved for the cms demonstration project; the following measures should be present: the stay must be equal to or greater…
• G9147 — Outpatient intravenous insulin treatment (oivit) either pulsatile or continuous, by any means, guided by the results of measurements for: respiratory quotient; and/or, urine urea nitrogen (uun);…
• G9148 — National committee for quality assurance - level 1 medical home
• G9149 — National committee for quality assurance - level 2 medical home
• G9150 — National committee for quality assurance - level 3 medical home
• G9151 — Mapcp demonstration - state provided services