ICD-10/D21.5

D21.5 ICD 2026 Code: Benign neoplasm of connective and other soft tissue of pelvis

D21.5 is the authoritative medical code for Benign neoplasm of connective and other soft tissue of pelvis. 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 pelvis (ICD-10-CM D21.5), 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 pelvis is a billable ICD-10-CM diagnosis code D21.5. 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. Excludes1 (not coded here): benign neoplasm of any uterine ligament D28.2; uterine leiomyoma D25.-; 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.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for D21.5 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

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • benign neoplasm of any uterine ligament D28.2
  • uterine leiomyoma D25.-
  • 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

Frequently Asked Questions (FAQ) & Clinical Guidance

What can't be coded together with D21.5?

Per official ICD-10-CM Excludes1 instructions, D21.5 must not be reported together with: benign neoplasm of any uterine ligament (D28.2); uterine leiomyoma (D25.-); benign neoplasm of articular cartilage (D16.-); benign neoplasm of cartilage of larynx (D14.1).

Nearest Codes in This Family

Official ICD-10-CM classifications closest to D21.5 in its code family, 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
  • D21.4 — Benign neoplasm of connective and other soft tissue of abdomen
  • D21.6 — Benign neoplasm of connective and other soft tissue of trunk, unspecified
  • D21.9 — Benign neoplasm of connective and other soft tissue, unspecified

Neoplasm Table Sites (22)

Anatomical sites from the official ICD-10-CM Table of Neoplasms that map to this code, with the matching behavior column.

  • Neoplasm, neoplastic, coccygeal, body or glomus — Benign
  • Neoplasm, neoplastic, connective tissue NEC, buttock — Benign
  • Neoplasm, neoplastic, connective tissue NEC, extrarectal — Benign
  • Neoplasm, neoplastic, connective tissue NEC, gluteal region — Benign
  • Neoplasm, neoplastic, connective tissue NEC, groin — Benign
  • Neoplasm, neoplastic, connective tissue NEC, iliopsoas muscle — Benign
  • Neoplasm, neoplastic, connective tissue NEC, inguinal (canal) (region) — Benign
  • Neoplasm, neoplastic, connective tissue NEC, ischiorectal fossa — Benign
  • Neoplasm, neoplastic, connective tissue NEC, nates — Benign
  • Neoplasm, neoplastic, connective tissue NEC, para-urethral — Benign
  • Neoplasm, neoplastic, connective tissue NEC, pararectal — Benign
  • Neoplasm, neoplastic, connective tissue NEC, paravaginal — Benign
  • Neoplasm, neoplastic, connective tissue NEC, pelvis (floor) — Benign
  • Neoplasm, neoplastic, connective tissue NEC, perineum — Benign
  • Neoplasm, neoplastic, connective tissue NEC, perirectal (tissue) — Benign
  • Neoplasm, neoplastic, connective tissue NEC, periurethral (tissue) — Benign
  • Neoplasm, neoplastic, connective tissue NEC, presacral — Benign
  • Neoplasm, neoplastic, connective tissue NEC, rectovaginal septum or wall — Benign
  • Neoplasm, neoplastic, connective tissue NEC, rectovesical — Benign
  • Neoplasm, neoplastic, connective tissue NEC, sacrococcygeal region — Benign
  • Neoplasm, neoplastic, connective tissue NEC, vesicorectal — Benign
  • Neoplasm, neoplastic, glomus, coccygeal — Benign