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 D21.0

2021 ICD-10-CM Diagnosis Code D21.0

Benign neoplasm of connective and other soft tissue of head, face and neck

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • D21.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Benign neoplasm of connctv/soft tiss of head, face and neck
  • The 2021 edition of ICD-10-CM D21.0 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of D21.0 - other international versions of ICD-10 D21.0 may differ.
Applicable To
  • Benign neoplasm of connective tissue of ear
  • Benign neoplasm of connective tissue of eyelid
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 D21.0. 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 connective tissue of orbit (
    ICD-10-CM Diagnosis Code D31.6

    Benign neoplasm of unspecified site of orbit

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Benign neoplasm of connective tissue of orbit
    • Benign neoplasm of extraocular muscle
    • Benign neoplasm of peripheral nerves of orbit
    • Benign neoplasm of retrobulbar tissue
    • Benign neoplasm of retro-ocular tissue
    Type 1 Excludes
    • benign neoplasm of orbital bone (D16.4)
    D31.6-
    )
The following code(s) above D21.0 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 D21.0:
  • 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 head, soft tissue
  • Benign neoplasm neck, soft tissue
  • Benign neoplasm of soft tissues of face
  • Benign neoplasm of soft tissues of head
  • Benign neoplasm of soft tissues of neck
  • Benign neoplasm, soft tissue of face
  • Neuroma of face
ICD-10-CM D21.0 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 D21.0 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 D21.0:
  • Type 1 Excludes: D14.0
    , D16
    , D16
    , D31
    ICD-10-CM Diagnosis Code D14.0

    Benign neoplasm of middle ear, nasal cavity and accessory sinuses

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Benign neoplasm of cartilage of nose
    Type 1 Excludes
    • benign neoplasm of auricular canal (external) (D22.2-, D23.2-)
    • benign neoplasm of bone of ear (D16.4)
    • benign neoplasm of bone of nose (D16.4)
    • benign neoplasm of cartilage of ear (D21.0)
    • benign neoplasm of ear (external)(skin) (D22.2-, D23.2-)
    • benign neoplasm of nose NOS (D36.7)
    • benign neoplasm of skin of nose (D22.39, D23.39)
    • benign neoplasm of olfactory bulb (D33.3)
    • benign neoplasm of posterior margin of septum and choanae (D10.6)
    • polyp of accessory sinus (J33.8)
    • polyp of ear (middle) (H74.4)
    • polyp of nasal (cavity) (J33.-)
    ICD-10-CM Diagnosis Code D16

    Benign neoplasm of bone and articular cartilage

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • benign neoplasm of connective tissue of ear (D21.0)
    • benign neoplasm of connective tissue of eyelid (D21.0)
    • benign neoplasm of connective tissue of larynx (D14.1)
    • benign neoplasm of connective tissue of nose (D14.0)
    • benign neoplasm of synovia (D21.-)
    ICD-10-CM Diagnosis Code D16

    Benign neoplasm of bone and articular cartilage

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • benign neoplasm of connective tissue of ear (D21.0)
    • benign neoplasm of connective tissue of eyelid (D21.0)
    • benign neoplasm of connective tissue of larynx (D14.1)
    • benign neoplasm of connective tissue of nose (D14.0)
    • benign neoplasm of synovia (D21.-)
    ICD-10-CM Diagnosis Code D31

    Benign neoplasm of eye and adnexa

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • benign neoplasm of connective tissue of eyelid (D21.0)
    • benign neoplasm of optic nerve (D33.3)
    • benign neoplasm of skin of eyelid (D22.1-, D23.1-)
ICD-10-CM Codes Adjacent To D21.0
D18.1 Lymphangioma, any site
D19 Benign neoplasm of mesothelial tissue
D19.0 Benign neoplasm of mesothelial tissue of pleura
D19.1 Benign neoplasm of mesothelial tissue of peritoneum
D19.7 Benign neoplasm of mesothelial tissue of other sites
D19.9 Benign neoplasm of mesothelial tissue, unspecified
D20 Benign neoplasm of soft tissue of retroperitoneum and peritoneum
D20.0 Benign neoplasm of soft tissue of retroperitoneum
D20.1 Benign neoplasm of soft tissue of peritoneum
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

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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