G9945 HCPCS Level II Code: Patient had cancer, acute fracture or infection related to the lumbar spine or patient had neuromuscular, idiopathic or congenital lumbar scoliosis

Contextual Map

Every relationship of G9945 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)

• G9925 — Safety concerns screening not provided, reason not otherwise specified[Sibling]— CMS HCPCS Level II code set
• G9926 — Safety concerns screening positive screen is without provision of mitigation recommendations, including but not limited to referral to other resources[Sibling]— CMS HCPCS Level II code set
• G9927 — Documentation of system reason(s) for not prescribing an fda-approved anticoagulation due to patient being currently enrolled in a clinical trial related to af/atrial flutter treatment[Sibling]— CMS HCPCS Level II code set
• G9928 — Fda-approved anticoagulant not prescribed, reason not given[Sibling]— CMS HCPCS Level II code set
• G9929 — Patient with transient or reversible cause of af (e.g., pneumonia, hyperthyroidism, pregnancy, cardiac surgery)[Sibling]— CMS HCPCS Level II code set
• G9930 — Patients who are receiving comfort care only[Sibling]— CMS HCPCS Level II code set
• G9931 — Documentation of cha2ds2-vasc risk score of 0 or 1 for men; or 0, 1, or 2 for women[Sibling]— CMS HCPCS Level II code set
• G9932 — Documentation of patient reason(s) for not having records of negative or managed positive tb screen (e.g., patient does not return for mantoux (ppd) skin test evaluation)[Sibling]— CMS HCPCS Level II code set
• and 32 more

Change history

• January 1, 2018 — 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 G9945 in its code family, with their registry titles.

• G9940 — Documentation of medical reason(s) for not on a statin (e.g., pregnancy, in vitro fertilization, clomiphene rx, esrd, cirrhosis, muscular pain and disease during the measurement period or prior year)
• G9941 — Back pain was measured by the visual analog scale (vas) within three months preoperatively and at three months (6 - 20 weeks) postoperatively
• G9942 — Patient had any additional spine procedures performed on the same date as the lumbar discectomy/laminectomy
• G9943 — Back pain was not measured by the visual analog scale (vas) or numeric pain scale at three months (6 - 20 weeks) postoperatively
• G9944 — Back pain was measured by the visual analog scale (vas) within three months preoperatively and at one year (9 to 15 months) postoperatively
• G9946 — Back pain was not measured by the visual analog scale (vas) or numeric pain scale at one year (9 to 15 months) postoperatively
• G9947 — Leg pain was measured by the visual analog scale (vas) within three months preoperatively and at three months (6 to 20 weeks) postoperatively
• G9948 — Patient had any additional spine procedures performed on the same date as the lumbar discectomy/laminectomy
• G9949 — Leg pain was not measured by the visual analog scale (vas) or numeric pain scale at three months (6 - 20 weeks) postoperatively
• G9954 — Patient exhibits 2 or more risk factors for post-operative vomiting