2021

  1. ICD-10-CM Codes
    2. ›
  2. C00-D49 Neoplasms
    3. ›
  3. D10-D36 Benign neoplasms, except benign neuroendocrine tumors
    4. ›
  4. D16- Benign neoplasm of bone and articular cartilage
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code D16.21

2021 ICD-10-CM Diagnosis Code D16.21

Benign neoplasm of long bones of right lower limb

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • D16.21 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM D16.21 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of D16.21 - other international versions of ICD-10 D16.21 may differ.
The following code(s) above D16.21 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 D16.21:
  • 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
  • D16
    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.-)
    Benign neoplasm of bone and articular cartilage
Approximate Synonyms
  • Benign neoplasm of bone of bilateral lower limbs
  • Benign neoplasm of bone of right lower limb
  • Benign neoplasm of long bone of right lower limb
  • Benign neoplasm of long bones of bilateral lower limbs
  • Benign neoplasm, bilateral leg bones
  • Benign neoplasm, long bone of bilateral legs
  • Benign neoplasm, long bone of right leg
  • Benign neoplasm, r leg bone
ICD-10-CM D16.21 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 D16.21 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
ICD-10-CM Codes Adjacent To D16.21
D16.0 Benign neoplasm of scapula and long bones of upper limb
D16.00 Benign neoplasm of scapula and long bones of unspecified upper limb
D16.01 Benign neoplasm of scapula and long bones of right upper limb
D16.02 Benign neoplasm of scapula and long bones of left upper limb
D16.1 Benign neoplasm of short bones of upper limb
D16.10 Benign neoplasm of short bones of unspecified upper limb
D16.11 Benign neoplasm of short bones of right upper limb
D16.12 Benign neoplasm of short bones of left upper limb
D16.2 Benign neoplasm of long bones of lower limb
D16.20 Benign neoplasm of long bones of unspecified lower limb
D16.21 Benign neoplasm of long bones of right lower limb
D16.22 Benign neoplasm of long bones of left lower limb
D16.3 Benign neoplasm of short bones of lower limb
D16.30 Benign neoplasm of short bones of unspecified lower limb
D16.31 Benign neoplasm of short bones of right lower limb
D16.32 Benign neoplasm of short bones of left lower limb
D16.4 Benign neoplasm of bones of skull and face
D16.5 Benign neoplasm of lower jaw bone
D16.6 Benign neoplasm of vertebral column
D16.7 Benign neoplasm of ribs, sternum and clavicle
D16.8 Benign neoplasm of pelvic bones, sacrum and coccyx

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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