2021 ICD-10-CM Diagnosis Code M13.0

Polyarthritis, unspecified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • M13.0 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 M13.0 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of M13.0 - other international versions of ICD-10 M13.0 may differ.
The following code(s) above M13.0 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 M13.0:
  • M00-M99
    2021 ICD-10-CM Range M00-M99

    Diseases of the musculoskeletal system and connective tissue

    Note
    • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
    Type 2 Excludes
    • arthropathic psoriasis (L40.5-)
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • compartment syndrome (traumatic) (T79.A-)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Diseases of the musculoskeletal system and connective tissue
  • M13
    ICD-10-CM Diagnosis Code M13

    Other arthritis

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Other arthritis
Approximate Synonyms
  • Polyarthritis (arthritis of 5 or more joints)
  • Polyarthritis of forearm
  • Polyarthritis of hand
  • Polyarthritis of shoulder region
  • Polyarthritis w ankle involvement
  • Polyarthritis w elbow involvement
  • Polyarthritis w foot involvement
  • Polyarthritis w knee involvement
  • Polyarthritis w vertebra involvement
  • Polyarthritis w wrist involvement
  • Polyarthritis with involvement of ankle
  • Polyarthritis with involvement of elbow
  • Polyarthritis with involvement of foot
  • Polyarthritis with involvement of forearm
  • Polyarthritis with involvement of hand
  • Polyarthritis with involvement of knee
  • Polyarthritis with involvement of shoulder
  • Polyarthritis with involvement of vertebra
  • Polyarthritis with involvement of wrist
  • Undifferentiated inflammatory polyarthritis
Clinical Information
  • Inflammation of several joints together.
ICD-10-CM M13.0 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 553 Bone diseases and arthropathies with mcc
  • 554 Bone diseases and arthropathies without mcc

Convert M13.0 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 M13.0:
  • Type 1 Excludes: M06.4
    ICD-10-CM Diagnosis Code M06.4

    Inflammatory polyarthropathy

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Type 1 Excludes
    • polyarthritis NOS (M13.0)

Diagnosis Index entries containing back-references to M13.0:

ICD-10-CM Codes Adjacent To M13.0
M12.862 Other specific arthropathies, not elsewhere classified, left knee
M12.869 Other specific arthropathies, not elsewhere classified, unspecified knee
M12.87 Other specific arthropathies, not elsewhere classified, ankle and foot
M12.871 Other specific arthropathies, not elsewhere classified, right ankle and foot
M12.872 Other specific arthropathies, not elsewhere classified, left ankle and foot
M12.879 Other specific arthropathies, not elsewhere classified, unspecified ankle and foot
M12.88 …… other specified site
M12.89 …… multiple sites
M12.9 Arthropathy, unspecified
M13 Other arthritis
M13.0 Polyarthritis, unspecified
M13.1 Monoarthritis, not elsewhere classified
M13.10 …… unspecified site
M13.11 Monoarthritis, not elsewhere classified, shoulder
M13.111 Monoarthritis, not elsewhere classified, right shoulder
M13.112 Monoarthritis, not elsewhere classified, left shoulder
M13.119 Monoarthritis, not elsewhere classified, unspecified shoulder
M13.12 Monoarthritis, not elsewhere classified, elbow
M13.121 Monoarthritis, not elsewhere classified, right elbow
M13.122 Monoarthritis, not elsewhere classified, left elbow
M13.129 Monoarthritis, not elsewhere classified, unspecified elbow

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