ICD-10 diagnosis code

D21 Other benign neoplasms of connective and other soft tissue

D21 is the ICD-10 code for Other benign neoplasms of connective and other soft tissue. It is a three-character category divided into 8 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block D10–D36 (Benign neoplasms) in Chapter II, Neoplasms.

Code type: Category (3 characters)
Chapter: II · C00–D48
Classification: WHO ICD-10, 2019 version

What D21 includes

Conditions and terms that are coded here.

blood vessel
bursa
cartilage
fascia
fat
ligament, except uterine
lymphatic channel
muscle
synovia
tendon (sheath)

What D21 excludes

Conditions that look similar but belong under another code.

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.-

Subcodes of D21

D21 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

D21Andra benigna tumörer i bindväv och annan mjukvävnad

DenmarkICD-10-DK

DD21Andre godartede tumorer i bindevæv og andre bløddele

DD217Godartet tumor i bindevæv med anden lokalisation

FinlandICD-10-FI

D21Muut sidekudoksen tai muun pehmytkudoksen hyvänlaatuiset kasvaimet

GermanyICD-10-GM

D21Sonstige gutartige Neubildungen des Bindegewebes und anderer Weichteilgewebe

FranceICD-10-FR

D21Autres tumeurs bénignes du tissu conjonctif et des autres tissus mous

NetherlandsICD-10-NL

D21overige benigne neoplasmata van bindweefsel en overige weke delen

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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