G9613 Post-Surgical Anatomy HCPCS: Reimbursement | OpenPayer

Summary & Overview

HCPCS G9613: Post-Surgical Anatomy Documentation

HCPCS Level II code G9613 denotes documentation of post-surgical anatomy after procedures such as right hemicolectomy or ileocecal resection. Accurate anatomical documentation supports continuity of care, informs subsequent diagnostic and therapeutic decisions, and is relevant for coding, clinical quality measurement, and medico-legal records. Nationally, consistent use of post-surgical anatomy codes contributes to clearer clinical communication and proper aggregation of surgical outcome data.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the code's clinical context, typical sites of service, commonly associated modifiers (listed elsewhere), and payer coverage patterns. The publication highlights benchmarks related to use and documentation, recent policy updates affecting HCPCS Level II surgical documentation, and clinical scenarios where G9613 is applicable.

This report is intended for clinicians, medical coders, billing professionals, compliance officers, and policy analysts seeking a national perspective on documentation practices and payer treatment for post-surgical anatomy reporting. Data not available in the input is noted where applicable.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareG9613HCPCS Level IIpost-surgical anatomysurgical documentationabdominal surgeryoperative reportbilling and codingambulatory surgeryhospital inpatient

Billing Code Overview

HCPCS Level II code G9613 documents post-surgical anatomy, for example procedures such as right hemicolectomy or ileocecal resection. This code is used to record the anatomical changes and operative findings after bowel resection or similar abdominal surgical procedures.

Service type: Surgical postoperative documentation and operative anatomy reporting

Typical site of service: Hospital inpatient or outpatient surgical facility (including ambulatory surgery centers) where major abdominal resections are performed. If additional care occurs in other settings, those details are not provided in the input.

Clinical & Coding Specifications

Clinical Context

A 62-year-old patient with a history of colonic adenocarcinoma undergoes a right hemicolectomy with ileocecal resection for curative intent. The patient presents preoperatively for surgical planning and insurance authorization, then proceeds to the operating room under general anesthesia. Intraoperative documentation includes operative findings, extent of resection, anastomosis type, any additional resections, and description of post-surgical anatomy (e.g., remaining colon length, presence/absence of terminal ileum, ostomy creation). Postoperatively the surgeon documents the altered anatomy in the operative note and the discharge summary to support ongoing care, future imaging interpretation, oncology planning, and procedural billing.

Common workflow steps:

Preoperative evaluation with history, imaging review, and consent.
Intraoperative resection and reconstruction with detailed operative note documenting post-surgical anatomy.
Immediate postoperative progress notes and discharge documentation reiterating surgical anatomy and any complications.
Communication of surgical anatomy to radiology, oncology, gastroenterology, and primary care for downstream management and coding.

Coding Specifications

Modifier	Description	When to Use

HCPCS G6057: Phenothiazine Medication Supply/Administration

HCPCS-G0011-PREP-COUNSELING-HIV-RISK-REDUCTION-ADHERENCE

HCPCS G0011: Individual PrEP Counseling, HIV Risk Assessment

HCPCS-G8548-HEART-FAILURE-MEASURES-REPORTING-INTENT

HCPCS G8548: Heart Failure Measures Reporting Intent

HCPCS-G8735-ELDER-MALTREATMENT-SCREEN-POSITIVE-NO-FOLLOW-UP

HCPCS G8735: Elder Maltreatment Screen Positive, No Follow-Up

HCPCS-G0561-TYMPANOSTOMY-TUBE-DELIVERY-DEVICE-UNILATERAL

HCPCS G0561: Tympanostomy with Tube Delivery Device, Unilateral

HCPCS-G9107-PANCREATIC-ADENOCARCINOMA-UNRESECTABLE-METASTATIC-DISEASE-STATUS

HCPCS G9107: Pancreatic Adenocarcinoma Disease Status, Advanced

HCPCS-G0431-QUALITATIVE-MULTI-CLASS-DRUG-SCREEN-HIGH-COMPLEXITY

HCPCS G0431: Qualitative Multi-Class Drug Screen, High-Complexity

HCPCS-G9393-PHQ9-REMISSION-12-MONTHS

HCPCS G9393: PHQ-9 Remission at 12 Months

HCPCS-G0538-ASCVD-RISK-MANAGEMENT-CLINICAL-STAFF-MONTHLY

HCPCS G0538: ASCVD Risk Management Services, Clinical Staff, Monthly

HCPCS-G8475-ACE-ARB-THERAPY-NOT-PRESCRIBED-REASON-NOT-GIVEN

HCPCS G8475: ACE/ARB Therapy Not Prescribed, Reason Not Given

Showing 1–10 of 1996

Taxonomy Code	Specialty	Notes
`208800000X`	Colon and Rectal Surgery	Surgeons who commonly perform hemicolectomy and document post-surgical anatomy.
`207L00000X`	General Surgery	General surgeons performing bowel resections and operative documentation.
`208000000X`	Surgical Oncology	Surgical oncologists performing oncologic resections and detailed anatomic documentation.
`207V00000X`	Gastroenterology	Gastroenterologists receive and use post-surgical anatomy documentation for endoscopic planning.
`201Q00000X`	Radiology	Radiologists rely on surgical anatomy documentation for interpretation of postoperative imaging.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`C18.2`	Malignant neoplasm of ascending colon	Common indication for right hemicolectomy and related post-surgical anatomy documentation.
`C18.0`	Malignant neoplasm of cecum	Tumors of the cecum often require ileocecal resection; documentation must describe resected and remaining segments.
`K57.20`	Diverticulosis of large intestine without perforation or abscess	Complex diverticular disease may necessitate segmental colectomy; post-surgical anatomy informs future care.
`K35.80`	Acute appendicitis without perforation or abscess	In some complex cases with extension, right-sided resections occur and anatomy documentation is needed.
`K63.5`	Polyp of colon	Large or unresectable polyps sometimes lead to segmental resection; documentation records extent of resection for surveillance.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`44140`	Colectomy, partial; with anastomosis	Common CPT for right hemicolectomy procedures; operative code for the resection that creates the post-surgical anatomy documented by `G9613`.
`44160`	Colectomy, partial, with ileocolostomy (right or extended right)	Alternative CPT for resections involving ileocolic anastomosis; directly related to documentation of remaining bowel segments.
`44204`	Laparoscopy, surgical; colectomy, partial, with anastomosis	Laparoscopic approach CPT that may be billed when the resection is performed minimally invasively; documentation of post-surgical anatomy is still required.
`44120`	Colectomy, partial; with removal of terminal ileum with colostomy or ileostomy	Used when ostomy is created; postoperative anatomy documentation must note stoma type and remaining segments.
`00840`	Anesthesia for intraperitoneal procedures in lower abdomen	Anesthesia CPT commonly associated with intra-abdominal bowel resections; included in the perioperative workflow supporting documentation of operative findings.

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