ICD10BillableValid for clinical use
ICD-10 Code D21.5: Benign neoplasm of connective and other soft tissue of pelvis
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Neoplasms (C00-D49).
When is it used?
- May be used when a clinician documents benign neoplasm of connective and other soft tissue of pelvis in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
2Neoplasms (C00-D49)
block
D10-D36Benign neoplasms, except benign neuroendocrine tumors
category
D21Other benign neoplasms of connective and other soft tissue
currentD21
Official coding notes
Excludes1 (do not code together)
- benign neoplasm of any uterine ligament (D28.2)
- uterine leiomyoma (D25.-)
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
OncologistGeneral Physician
Related codes
D21.0Benign neoplasm of connective and other soft tissue of head, face and neckcodeD21.1Benign neoplasm of connective and other soft tissue of upper limb, including shouldercategoryD21.2Benign neoplasm of connective and other soft tissue of lower limb, including hipcategoryD21.3Benign neoplasm of connective and other soft tissue of thoraxcodeD21.4Benign neoplasm of connective and other soft tissue of abdomencodeD21.6Benign neoplasm of connective and other soft tissue of trunk, unspecifiedcodeD21.9Benign neoplasm of connective and other soft tissue, unspecifiedcode
Sibling codes
D21.0Benign neoplasm of connective and other soft tissue of head, face and neckbillableD21.1Benign neoplasm of connective and other soft tissue of upper limb, including shoulderD21.2Benign neoplasm of connective and other soft tissue of lower limb, including hipD21.3Benign neoplasm of connective and other soft tissue of thoraxbillableD21.4Benign neoplasm of connective and other soft tissue of abdomenbillableD21.6Benign neoplasm of connective and other soft tissue of trunk, unspecifiedbillableD21.9Benign neoplasm of connective and other soft tissue, unspecifiedbillable
Coverage-related procedures and services
CPT 64417high
INJECTION(S), ANESTHETIC AGENT(S) AND/OR STEROID; AXILLARY NERVE, INCLUDING IMAGING GUIDANCE, WHEN PERFORMED
Source: CMS coverage guidance
CPT 64416high
INJECTION(S), ANESTHETIC AGENT(S) AND/OR STEROID; BRACHIAL PLEXUS, CONTINUOUS INFUSION BY CATHETER (INCLUDING CATHETER PLACEMENT), INCLUDING IMAGING GUIDANCE, WHEN PERFORMED
Source: CMS coverage guidance
CPT 64415high
INJECTION(S), ANESTHETIC AGENT(S) AND/OR STEROID; BRACHIAL PLEXUS, INCLUDING IMAGING GUIDANCE, WHEN PERFORMED
Source: CMS coverage guidance
CPT 64448high
INJECTION(S), ANESTHETIC AGENT(S) AND/OR STEROID; FEMORAL NERVE, CONTINUOUS INFUSION BY CATHETER (INCLUDING CATHETER PLACEMENT), INCLUDING IMAGING GUIDANCE, WHEN PERFORMED
Source: CMS coverage guidance
CPT 64447high
INJECTION(S), ANESTHETIC AGENT(S) AND/OR STEROID; FEMORAL NERVE, INCLUDING IMAGING GUIDANCE, WHEN PERFORMED
Source: CMS coverage guidance
CPT 64454high
INJECTION(S), ANESTHETIC AGENT(S) AND/OR STEROID; GENICULAR NERVE BRANCHES, INCLUDING IMAGING GUIDANCE, WHEN PERFORMED
Source: CMS coverage guidance
Mapped diagnoses and classifications
SNOMED_CT 91996008high
Benign neoplasm of blood vessel of buttock
Source: SNOMED International ICD-10 map
SNOMED_CT 92004003high
Benign neoplasm of blood vessel of inguinal region
Source: SNOMED International ICD-10 map
SNOMED_CT 92008000high
Benign neoplasm of blood vessel of pelvis
Source: SNOMED International ICD-10 map
SNOMED_CT 92009008high
Benign neoplasm of blood vessel of perineum
Source: SNOMED International ICD-10 map
SNOMED_CT 92063006high
Benign neoplasm of coccygeal body
Source: SNOMED International ICD-10 map
SNOMED_CT 92224008high
Benign neoplasm of muscle of buttock
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
D21.5
Common synonyms
Benign neoplasm of connective and other soft tissue of pelvis
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.