2021

  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. ›
  5. 2021 ICD-10-CM Diagnosis Code D21.3

2021 ICD-10-CM Diagnosis Code D21.3

Benign neoplasm of connective and other soft tissue of thorax

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • D21.3 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 thorax
  • The 2021 edition of ICD-10-CM D21.3 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of D21.3 - other international versions of ICD-10 D21.3 may differ.
Applicable To
  • Benign neoplasm of axilla
  • Benign neoplasm of diaphragm
  • Benign neoplasm of great vessels
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as D21.3. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • benign neoplasm of heart (
    ICD-10-CM Diagnosis Code D15.1

    Benign neoplasm of heart

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Type 1 Excludes
    • benign neoplasm of great vessels (D21.3)
    D15.1
    )
  • benign neoplasm of mediastinum (
    ICD-10-CM Diagnosis Code D15.2

    Benign neoplasm of mediastinum

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    D15.2
    )
  • benign neoplasm of thymus (
    ICD-10-CM Diagnosis Code D15.0

    Benign neoplasm of thymus

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Type 1 Excludes
    • benign carcinoid tumor of the thymus (D3A.091)
    D15.0
    )
The following code(s) above D21.3 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 D21.3:
  • C00-D49
    2021 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 2021 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 neoplasm of soft tissues of thorax
  • Benign neoplasm thorax, soft tissue
ICD-10-CM D21.3 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 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 D21.3 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
  • 2021 (effective 10/1/2020): No change
Code annotations containing back-references to D21.3:
  • Type 1 Excludes: D15.1
    ICD-10-CM Diagnosis Code D15.1

    Benign neoplasm of heart

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Type 1 Excludes
    • benign neoplasm of great vessels (D21.3)
ICD-10-CM Codes Adjacent To D21.3
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
D21.10 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

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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