2023 ICD-10-CM Diagnosis Code M35.4

Diffuse (eosinophilic) fasciitis

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • M35.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM M35.4 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of M35.4 - other international versions of ICD-10 M35.4 may differ.
The following code(s) above M35.4 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 M35.4:
  • M00-M99
    2023 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
    2023 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
  • M35
    ICD-10-CM Diagnosis Code M35

    Other systemic involvement of connective tissue

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • reactive perforating collagenosis (L87.1)
    Other systemic involvement of connective tissue
Approximate Synonyms
  • Diffuse eosinophilic fasciitis
  • Fasciitis with eosinophilia syndrome
ICD-10-CM M35.4 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 557 Tendonitis, myositis and bursitis with mcc
  • 558 Tendonitis, myositis and bursitis without mcc

Convert M35.4 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
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
Code annotations containing back-references to M35.4:
  • Type 1 Excludes: M72.8
    ICD-10-CM Diagnosis Code M72.8

    Other fibroblastic disorders

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Abscess of fascia
    • Fasciitis NEC
    • Other infective fasciitis
    Type 1 Excludes
    • diffuse (eosinophilic) fasciitis (M35.4)
    • necrotizing fasciitis (M72.6)
    • nodular fasciitis (M72.4)
    • perirenal fasciitis NOS (N13.5)
    • perirenal fasciitis with infection (N13.6)
    • plantar fasciitis (M72.2)
    Use Additional
    • code to (B95.-, B96.-) identify causative organism

Diagnosis Index entries containing back-references to M35.4:
  • Fasciitis M72.9
    ICD-10-CM Diagnosis Code M72.9

    Fibroblastic disorder, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Fasciitis NOS
    • Fibromatosis NOS
    • diffuse M35.4 (eosinophilic)

ICD-10-CM Codes Adjacent To M35.4
M35.06 …… with peripheral nervous system involvement
M35.07 …… with central nervous system involvement
M35.08 …… with gastrointestinal involvement
M35.0A …… with glomerular disease
M35.0B …… with vasculitis
M35.0C …… with dental involvement
M35.09 …… with other organ involvement
M35.1 Other overlap syndromes
M35.2 Behçet's disease
M35.3 Polymyalgia rheumatica
M35.4 Diffuse (eosinophilic) fasciitis
M35.5 Multifocal fibrosclerosis
M35.6 Relapsing panniculitis [Weber-Christian]
M35.7 Hypermobility syndrome
M35.8 Other specified systemic involvement of connective tissue
M35.81 Multisystem inflammatory syndrome
M35.89 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

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