D21Other benign neoplasms of connective and other soft tissue
Code usage status
Primary diagnosis
Select a more specific code
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use D21 directly
Use the most specific code supported by the record.
- Chapter II
- Neoplasms
- Group D10-D36
- Benign neoplasms
- Official Vietnamese name
- U lành khác ở mô liên kết và/hoặc mô mềm khác
- Additional WHO coding guidance
- Incl.: blood vessel bursa cartilage fascia fat ligament, except uterine lymphatic channel muscle synovia tendon (sheath) Excl.: cartilage: articular (D16.-) larynx (D14.1) nose (D14.0) connective tissue of breast (D24) haemangioma (D18.0) lipomatous neoplasm (D17.-) lymphangioma (D18.1) peripheral nerves and autonomic nervous system (D36.1) peritoneum (D20.1) retroperitoneum (D20.0) uterine: leiomyoma (D25.-) ligament, any (D28.2) vascular tissue (D18.-)
Related D21 codes
D21.0
Primary diagnosis candidate
Connective and other soft tissue of head, face and neck
D21.1
Primary diagnosis candidate
Connective and other soft tissue of upper limb, including shoulder
D21.2
Primary diagnosis candidate
Connective and other soft tissue of lower limb, including hip
D21.3
Primary diagnosis candidate
Connective and other soft tissue of thorax
D21.4
Primary diagnosis candidate
Connective and other soft tissue of abdomen
D21.5
Primary diagnosis candidate
Connective and other soft tissue of pelvis
D21.6
Primary diagnosis candidate
Connective and other soft tissue of trunk, unspecified
D21.9
Primary diagnosis candidate
Connective and other soft tissue, unspecified
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.
