2019/2020

  1. ICD-10-CM Codes
    2. ›
  2. C00-D49 Neoplasms
    3. ›
  3. D10-D36 Benign neoplasms, except benign neuroendocrine tumors
    4. ›
  4. D21- Other benign neoplasms of connective and other soft tissue
    5. ›

2020 ICD-10-CM Diagnosis Code D21.4

Benign neoplasm of connective and other soft tissue of abdomen

    2016 2017 2018 2019 2020 Billable/Specific Code
  • D21.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Benign neoplasm of connective and oth soft tissue of abdomen
  • The 2020 edition of ICD-10-CM D21.4 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of D21.4 - other international versions of ICD-10 D21.4 may differ.
Applicable To
  • Benign stromal tumors of abdomen
The following code(s) above D21.4 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to D21.4:
  • C00-D49
    2020 ICD-10-CM Range C00-D49

    Neoplasms

    Note
    • Functional activity
    • All neoplasms are classified in this chapter, whether they are functionally active or not. An additional code from Chapter 4 may be used, to identify functional activity associated with any neoplasm.
    • Morphology [Histology]
    • Chapter 2 classifies neoplasms primarily by site (topography), with broad groupings for behavior, malignant, in situ, benign, etc. The Table of Neoplasms should be used to identify the correct topography code. In a few cases, such as for malignant melanoma and certain neuroendocrine tumors, the morphology (histologic type) is included in the category and codes.
    • Primary malignant neoplasms overlapping site boundaries
    • A primary malignant neoplasm that overlaps two or more contiguous (next to each other) sites should be classified to the subcategory/code .8 ('overlapping lesion'), unless the combination is specifically indexed elsewhere. For multiple neoplasms of the same site that are not contiguous, such as tumors in different quadrants of the same breast, codes for each site should be assigned.
    • Malignant neoplasm of ectopic tissue
    • Malignant neoplasms of ectopic tissue are to be coded to the site mentioned, e.g., ectopic pancreatic malignant neoplasms are coded to pancreas, unspecified (C25.9).
    Neoplasms
  • D21
    ICD-10-CM Diagnosis Code D21

    Other benign neoplasms of connective and other soft tissue

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    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
    Type 1 Excludes
    • 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.-)
    Other benign neoplasms of connective and other soft tissue
Approximate Synonyms
  • Benign ganglioneuroma of abdomen
  • Benign neoplasm abdomen, soft tissue
  • Benign neoplasm of soft tissues of abdomen
  • Benign neoplasm small intestine, leiomyoma
  • Benign neoplasm stomach, leiomyoma
  • Ganglioneuroma abdomen, benign
  • Leiomyoma of small intestine
  • Leiomyoma of stomach
ICD-10-CM D21.4 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 564 Other musculoskeletal system and connective tissue diagnoses with mcc
  • 565 Other musculoskeletal system and connective tissue diagnoses with cc
  • 566 Other musculoskeletal system and connective tissue diagnoses without cc/mcc

Convert D21.4 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
Code annotations containing back-references to D21.4:
  • Type 1 Excludes: D13
    ICD-10-CM Diagnosis Code D13

    Benign neoplasm of other and ill-defined parts of digestive system

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • benign stromal tumors of digestive system (D21.4)

Diagnosis Index entries containing back-references to D21.4:
  • Tumor - see also Neoplasm, unspecified behavior, by site
    • stromal
      • gastric D48.1
        ICD-10-CM Diagnosis Code D48.1

        Neoplasm of uncertain behavior of connective and other soft tissue

          2016 2017 2018 2019 2020 Billable/Specific Code
        Applicable To
        • Neoplasm of uncertain behavior of connective tissue of ear
        • Neoplasm of uncertain behavior of connective tissue of eyelid
        • Stromal tumors of uncertain behavior of digestive system
        Type 1 Excludes
        • neoplasm of uncertain behavior of articular cartilage (D48.0)
        • neoplasm of uncertain behavior of cartilage of larynx (D38.0)
        • neoplasm of uncertain behavior of cartilage of nose (D38.5)
        • neoplasm of uncertain behavior of connective tissue of breast (D48.6-)
        • benign D21.4
      • gastrointestinal C49.A-
        ICD-10-CM Diagnosis Code C49.A-

        Gastrointestinal stromal tumor

          2017 - New Code 2018 2019 2020 Non-Billable/Non-Specific Code
        • benign D21.4
      • intestine
        • benign D21.4
      • stomach C49.A2
        ICD-10-CM Diagnosis Code C49.A2

        Gastrointestinal stromal tumor of stomach

          2017 - New Code 2018 2019 2020 Billable/Specific Code
        • benign D21.4

ICD-10-CM Codes Adjacent To D21.4
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
D21.10 Benign neoplasm of connective and other soft tissue of unspecified upper limb, including shoulder
D21.11 Benign neoplasm of connective and other soft tissue of right upper limb, including shoulder
D21.12 Benign neoplasm of connective and other soft tissue of left upper limb, including shoulder
D21.2 Benign neoplasm of connective and other soft tissue of lower limb, including hip
D21.20 Benign neoplasm of connective and other soft tissue of unspecified lower limb, including hip
D21.21 Benign neoplasm of connective and other soft tissue of right lower limb, including hip
D21.22 Benign neoplasm of connective and other soft tissue of left 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
D21.5 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
D22 Melanocytic nevi
D22.0 Melanocytic nevi of lip
D22.1 Melanocytic nevi of eyelid, including canthus
D22.10 Melanocytic nevi of unspecified eyelid, including canthus
D22.11 Melanocytic nevi of right eyelid, including canthus
D22.111 Melanocytic nevi of right upper eyelid, including canthus
D22.112 Melanocytic nevi of right lower eyelid, including canthus

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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