Billable / Specific Code
ICD-10-CM D21.9 is the diagnosis code for Benign neoplasm of connective and other soft tissue, unspecified. This code falls under the section "Benign neoplasms, except benign neuroendocrine tumors" within Chapter 2 — Neoplasms (C00-D49). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where D21.9 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, D21.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
D21.9 is the ICD-10-CM diagnosis code for "Benign neoplasm of connective and other soft tissue, unspecified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of D21.9 is D21 ("Other benign neoplasms of connective and other soft tissue"). D21.9 provides a more specific classification within this category.
D21.9 is located in Section D10-D36 — "Benign neoplasms, except benign neuroendocrine tumors" within Chapter 2 of the ICD-10-CM Tabular List.
Use D21.9 when the patients documented diagnosis matches "Benign neoplasm of connective and other soft tissue, unspecified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Benign neoplasm of connective and other soft tissue, unspecified is D21.9.
Yes, D21.9 can be used as a primary diagnosis code since it is billable and specific.
D21.9 is in Chapter 2 of the ICD-10-CM Tabular List.
Yes, D21.9 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.