D21.4 is the authoritative medical code for Benign neoplasm of connective and other soft tissue of abdomen. This classification is used in medical billing and clinical recording to specify the clinical criteria for benign neoplasm of connective and other soft tissue of abdomen (ICD-10-CM D21.4), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Benign neoplasm of connective and other soft tissue of abdomen is a billable ICD-10-CM diagnosis code D21.4. Includes: benign neoplasm of blood vessel; benign neoplasm of bursa; benign neoplasm of cartilage; benign neoplasm of fascia; benign neoplasm of fat; benign neoplasm of ligament, except uterine; benign neoplasm of lymphatic channel; benign neoplasm of muscle; benign neoplasm of synovia; benign neoplasm of tendon sheath; benign stromal tumors. Inclusion terms: Benign stromal tumors of abdomen. Excludes1 (not coded here): benign neoplasm of articular cartilage D16.-; benign neoplasm of cartilage of larynx D14.1; benign neoplasm of cartilage of nose D14.0; benign neoplasm of connective tissue of breast D24.-; benign neoplasm of peripheral nerves and autonomic nervous system D36.1-; benign neoplasm of peritoneum D20.1; benign neoplasm of retroperitoneum D20.0; benign neoplasm of uterine ligament, any D28.2; benign neoplasm of vascular tissue D18.-; hemangioma D18.0-; lipomatous neoplasm D17.-; lymphangioma D18.1; uterine leiomyoma D25.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for D21.4 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- benign neoplasm of blood vessel
- benign neoplasm of bursa
- benign neoplasm of cartilage
- benign neoplasm of fascia
- benign neoplasm of fat
- benign neoplasm of ligament, except uterine
- benign neoplasm of lymphatic channel
- benign neoplasm of muscle
- benign neoplasm of synovia
- benign neoplasm of tendon sheath
- benign stromal tumors
Inclusion Terms
Alternative terms the tabular list files under this code.
- Benign stromal tumors of abdomen
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- benign neoplasm of articular cartilage D16.-
- benign neoplasm of cartilage of larynx D14.1
- benign neoplasm of cartilage of nose D14.0
- benign neoplasm of connective tissue of breast D24.-
- benign neoplasm of peripheral nerves and autonomic nervous system D36.1-
- benign neoplasm of peritoneum D20.1
- benign neoplasm of retroperitoneum D20.0
- benign neoplasm of uterine ligament, any D28.2
- benign neoplasm of vascular tissue D18.-
- hemangioma D18.0-
- lipomatous neoplasm D17.-
- lymphangioma D18.1
- uterine leiomyoma D25.-
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with D21.4?
Per Excludes1 instructions, D21.4 must not be reported with: benign neoplasm of articular cartilage (D16.-); benign neoplasm of cartilage of larynx (D14.1); benign neoplasm of cartilage of nose (D14.0); benign neoplasm of connective tissue of breast (D24.-).
What conditions are included under D21.4?
Benign neoplasm of connective and other soft tissue of abdomen includes: Benign stromal tumors of abdomen.
Codes in This Family (8)
Official ICD-10-CM classifications in the same code family as D21.4, with their registry titles.
- D21 — Other benign neoplasms of connective and other soft tissue
- D21.0 — Benign neoplasm of connective and other soft tissue of head, face and neck
- D21.1 — Benign neoplasm of connective and other soft tissue of upper limb, including shoulder
- D21.2 — Benign neoplasm of connective and other soft tissue of lower limb, including hip
- D21.3 — Benign neoplasm of connective and other soft tissue of thorax
- D21.5 — Benign neoplasm of connective and other soft tissue of pelvis
- D21.6 — Benign neoplasm of connective and other soft tissue of trunk, unspecified
- D21.9 — Benign neoplasm of connective and other soft tissue, unspecified
Indexed Clinical Terms (4)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Tumor, stromal, gastric, benign
- Tumor, stromal, gastrointestinal, benign
- Tumor, stromal, intestine, benign
- Tumor, stromal, stomach, benign
Neoplasm Table Sites (12)
Anatomical sites from the official ICD-10-CM Table of Neoplasms that map to this code, with the matching behavior column.
- Neoplasm, neoplastic, abdomen, abdominal, wall, connective tissue — Benign
- Neoplasm, neoplastic, aorta (thoracic), abdominal — Benign
- Neoplasm, neoplastic, connective tissue NEC, abdomen — Benign
- Neoplasm, neoplastic, connective tissue NEC, abdominal wall — Benign
- Neoplasm, neoplastic, connective tissue NEC, gastric — Benign
- Neoplasm, neoplastic, connective tissue NEC, gastrointestinal — Benign
- Neoplasm, neoplastic, connective tissue NEC, hypochondrium — Benign
- Neoplasm, neoplastic, connective tissue NEC, intestinal — Benign
- Neoplasm, neoplastic, connective tissue NEC, psoas muscle — Benign
- Neoplasm, neoplastic, connective tissue NEC, stomach — Benign
- Neoplasm, neoplastic, connective tissue NEC, umbilicus — Benign
- Neoplasm, neoplastic, vena cava (abdominal) (inferior) — Benign
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: