2021

  1. ICD-10-CM Codes
    2. ›
  2. M00-M99 Diseases of the musculoskeletal system and connective tissue
    3. ›
  3. M30-M36 Systemic connective tissue disorders
    4. ›
  4. M36- Systemic disorders of connective tissue in diseases classified elsewhere
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code M36.4

2021 ICD-10-CM Diagnosis Code M36.4

Arthropathy in hypersensitivity reactions classified elsewhere

    2016 2017 2018 2019 2020 2021 Billable/Specific Code Manifestation Code
  • M36.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Arthropathy in hypersensitivity reactions classd elswhr
  • The 2021 edition of ICD-10-CM M36.4 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of M36.4 - other international versions of ICD-10 M36.4 may differ.
ICD-10-CM Coding Rules
  • M36.4 describes the manifestation of an underlying disease, not the disease itself.
Code First
Code First Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
  • underlying disease, such as:
  • Henoch (-Schönlein) purpura (
    ICD-10-CM Diagnosis Code D69.0

    Allergic purpura

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Allergic vasculitis
    • Nonthrombocytopenic hemorrhagic purpura
    • Nonthrombocytopenic idiopathic purpura
    • Purpura anaphylactoid
    • Purpura Henoch(-Schönlein)
    • Purpura rheumatica
    • Vascular purpura
    Type 1 Excludes
    • thrombocytopenic hemorrhagic purpura (D69.3)
    D69.0
    )
  • serum sickness (
    ICD-10-CM Diagnosis Code T80.6

    Other serum reactions

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Intoxication by serum
    • Protein sickness
    • Serum rash
    • Serum sickness
    • Serum urticaria
    Type 2 Excludes
    T80.6-
    )
The following code(s) above M36.4 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 M36.4:
  • 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
  • M30-M36
    2021 ICD-10-CM Range M30-M36

    Systemic connective tissue disorders

    Includes
    • autoimmune disease NOS
    • collagen (vascular) disease NOS
    • systemic autoimmune disease
    • systemic collagen (vascular) disease
    Type 1 Excludes
    • autoimmune disease, single organ or single cell-type -code to relevant condition category
    Systemic connective tissue disorders
  • M36
    ICD-10-CM Diagnosis Code M36

    Systemic disorders of connective tissue in diseases classified elsewhere

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • arthropathies in diseases classified elsewhere (M14.-)
    Systemic disorders of connective tissue in diseases classified elsewhere
ICD-10-CM M36.4 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 M36.4 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
  • 2021 (effective 10/1/2020): No change
Code annotations containing back-references to M36.4:
  • Code Also: T80.69
    ICD-10-CM Diagnosis Code T80.69

    Other serum reaction due to other serum

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Code Also
    • , if applicable, arthropathy in hypersensitivity reactions classified elsewhere (M36.4)
  • Type 1 Excludes: M14
    ICD-10-CM Diagnosis Code M14

    Arthropathies in other diseases classified elsewhere

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • arthropathy in:
    • diabetes mellitus (E08-E13 with .61-)
    • hematological disorders (M36.2-M36.3)
    • hypersensitivity reactions (M36.4)
    • neoplastic disease (M36.1)
    • neurosyphillis (A52.16)
    • sarcoidosis (D86.86)
    • enteropathic arthropathies (M07.-)
    • juvenile psoriatic arthropathy (L40.54)
    • lipoid dermatoarthritis (E78.81)
ICD-10-CM Codes Adjacent To M36.4
M35.5 Multifocal fibrosclerosis
M35.6 Relapsing panniculitis [Weber-Christian]
M35.7 Hypermobility syndrome
M35.8 Other specified systemic involvement of connective tissue
M35.9 Systemic involvement of connective tissue, unspecified
M36 Systemic disorders of connective tissue in diseases classified elsewhere
M36.0 Dermato(poly)myositis in neoplastic disease
M36.1 Arthropathy in neoplastic disease
M36.2 Hemophilic arthropathy
M36.3 Arthropathy in other blood disorders
M36.4 Arthropathy in hypersensitivity reactions classified elsewhere
M36.8 Systemic disorders of connective tissue in other diseases classified elsewhere
M40 Kyphosis and lordosis
M40.0 Postural kyphosis
M40.00 …… site unspecified
M40.03 …… cervicothoracic region
M40.04 …… thoracic region
M40.05 …… thoracolumbar region
M40.1 Other secondary kyphosis
M40.10 …… site unspecified
M40.12 …… cervical region

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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