Loading...

    Explore
    • Policy Monitoring
    • Live Policy Feed
    • Billing Codes
    • NPI Medicare & Medicaid
    • Healthcare Providers
    • Health Insurance Payers
    • States
    • Service Lines
    • Taxonomy Codes
    Lookup tools
    • Billing Code Lookup
    • CPT Modifier Lookup
    • Provider Taxonomy Code Lookup
    • Healthcare Provider & Facility Lookup
    • Health Insurance Payer Lookup
    • Payer Contact Directory

    Policy & Benchmark Tools

    • Prior Authorization Lookup
    • Coverage Criteria Lookup
    • Timely Filing Lookup
    • Billing Code Reimbursement Rates
    • Payer Comparison Dashboard
    • Facility Comparison Dashboard
    • All tools

    Company

    • About OpenPayer
    • Data Sources
    • Trek Health
    OpenPayerby Trek Health
    LinkedInYouTube

    © 2026 Trek Health. All rights reserved.

    OpenPayer is built and maintained by Trek Health.

    v1.0.28
    OpenPayerBilling CodesBenign neoplasms, except benign neuroendocrine tumorsICD-10-CM d20-benign-soft-tissue-retroperitoneum
    Ask Trek AI about this page

    ICD-10-CM Code For Benign Neoplasm Of Soft Tissue Of Retroperitoneum And Peritoneum: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group D20 includes benign neoplasms of soft tissue located in the retroperitoneum and peritoneum, covering nonmalignant mesenchymal tumors such as lipomas, leiomyomas, and other benign soft tissue growths in these abdominal compartments. These ICD-10-CM diagnosis codes are used to document clinical encounters involving noncancerous soft tissue tumors of the peritoneal and retroperitoneal spaces, capturing details like lesion location, size, and related organ involvement when documented. Accurate coding within the ICD-10-CM D20 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

    Customize your policy alerts

    Sign up for ICD-10-CM Code For Benign Neoplasm Of Soft Tissue Of Retroperitoneum And Peritoneum: Group Overview policy alerts

    Get alerted when relevant policies change without checking for updates manually.

    Monitor payer policy activity

    Receive email alerts as soon as relevant payer policies are published or updated.

    ICD-10-CM D20: Benign Neoplasm Of Soft Tissue Of Retroperitoneum And Peritoneum Overview

    The ICD-10-CM D20 group represents benign tumors arising from soft tissues located in the retroperitoneal and peritoneal spaces, including lipomas, leiomyomas, and other nonmalignant mesenchymal growths. These diagnoses target the abdominal and retroperitoneal compartments and can affect surrounding organs and structures through mass effect. Accurate coding matters for appropriate claim processing and to reflect the clinical complexity that influences care planning and resource use.

    Table of contents

    Progress1 / 6

    Explore openpayer tools

    • Billing CodesCPT, HCPCS, DRG & more
    • Reimbursement RatesCommercial vs. Medicare rate reports
    • ProvidersHospitals & facilities
    • PayersPlans & market footprint
    • Taxonomy CodesNUCC specialty codes
    • ModifiersCPT modifiers & usage
    • Prior AuthorizationPA policies by payer & drug
    • Timely FilingFiling deadlines by payer
    • Coverage CriteriaMedical necessity by payer
    • Payer ContactsClaims, PA & appeals contacts
    View all tools

    When to Use

    Use a code from this group when a clinician documents a benign soft tissue tumor arising in the retroperitoneal or peritoneal cavity and specifies the diagnosis in the medical record. Select the most specific code that reflects the documented lesion type and anatomical location to support accurate clinical and billing records.

    ICD-10-CM Codes

    2 rows

    ICD-10-CM CodeDescription
    D20.0Benign neoplasm of soft tissue of retroperitoneum
    D20.1Benign neoplasm of soft tissue of peritoneum

    DRG Codes

    3 rows

    DRG CodeDescription
    393Other Digestive System Diagnoses with MCC
    394Other Digestive System Diagnoses with CC
    395Other Digestive System Diagnoses without CC/MCC

    Typical Clinical Scenarios

    • An otherwise healthy 45-year-old woman presents to her primary care physician with progressive, diffuse abdominal fullness and early satiety over several months. Imaging (CT abdomen/pelvis) identifies a well-circumscribed, encapsulated soft-tissue mass in the retroperitoneum displacing bowel without invasive features; biopsy confirms a benign lipomatous tumor of the retroperitoneum. A code from this group is assigned to capture the benign soft-tissue neoplasm of the retroperitoneal space. Typical codes: D20.0
    • A 62-year-old man with chronic abdominal pain and intermittent bowel obstruction symptoms is evaluated in the emergency department after worsening nausea and vomiting. CT scan shows a large peritoneal-based benign fibrous tumor adherent to loops of small bowel causing partial obstruction; surgical consultation leads to planned resection and pathologic confirmation of a benign peritoneal soft-tissue neoplasm. A code from this group is used to document the benign neoplasm of the peritoneum as the cause of the obstructive presentation. Typical codes: D20.1
    • A 38-year-old female undergoing routine pelvic ultrasound for infertility evaluation is found incidentally to have a small, asymptomatic, well-defined soft-tissue mass in the peritoneal cul-de-sac; no acute symptoms are present and conservative monitoring is chosen. The benign peritoneal soft-tissue tumor is coded to reflect the incidental, non-urgent neoplasm being followed conservatively. Typical codes: D20.1

    Related Codes

    D10-BENIGN-NEOPLASM-OF-MOUTH-AND-PHARYNX

    ICD-10-CM Code For Benign Neoplasm Of Mouth And Pharynx: Group Overview

    D11-BENIGN-NEOPLASM-MAJOR-SALIVARY-GLANDS

    ICD-10-CM Code For Benign Neoplasm Of Major Salivary Glands: Group Overview

    D12-BENIGN-NEOPLASM-COLON-RECTUM-ANUS

    ICD-10-CM Code For Benign Neoplasm Of Colon Rectum Anus And Anal Canal: Group Overview

    D13-BENIGN-NEOPLASM-OTHER-DIGESTIVE

    ICD-10-CM Code For Benign Neoplasm Of Other And Ill-Defined Parts Of Digestive System: Group Overview

    D14-BENIGN-MIDDLE-EAR-AND-RESPIRATORY-NEOPLASMS

    ICD-10-CM Code For Benign Neoplasm Of Middle Ear And Respiratory System: Group Overview

    D15-BENIGN-NEOPLASM-INTRATHORACIC-ORGANS

    ICD-10-CM Code For Benign Neoplasm Of Other And Unspecified Intrathoracic Organs: Group Overview

    D16-BENIGN-NEOPLASM-OF-BONE

    ICD-10-CM Code For Benign Neoplasm Of Bone And Articular Cartilage: Group Overview

    D17-BENIGN-LIPOMATOUS-NEOPLASM

    ICD-10-CM Code For Benign Lipomatous Neoplasm: Group Overview

    D18-HEMANGIOMA-AND-LYMPHANGIOMA

    ICD-10-CM Code For Hemangioma And Lymphangioma, Any Site: Group Overview

    D19-BENIGN-MESOTHELIAL-NEOPLASMS

    ICD-10-CM Code For Benign Neoplasm Of Mesothelial Tissue: Group Overview

    Showing 1–10 of 26

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
    Published by

    Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

    Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.