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Diagnosis Code

M04.9 AUTOINFLAMMATORY SYNDROME, UNSPECIFIED


Code Information

Diagnosis Code: M04.9

Short Description: Autoinflammatory syndrome, unspecified

Long Description: Autoinflammatory syndrome, unspecified

The code M04.9 is VALID for claim submission

Code Classification:

  • Diseases of the musculoskeletal system and connective tissue (M00–M99)
    • Autoinflammatory syndromes (M04)
      • Autoinflammatory syndromes (M04)
        • M04.9 Autoinflammatory syndrome, unspecified

Code Version: 2022 ICD-10-CM


Synonyms

  • Autoinflammatory disease
  • Hemolytic erythrophagocytic syndrome
  • Hemophagocytic lymphohistiocytosis
  • Macrophage activation syndrome
  • Periodic fever, infantile enterocolitis, autoinflammatory syndrome

Diagnostic Related Group(s)

The code M04.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Connective Tissue Disorders With Mcc (545)
  • Connective Tissue Disorders With Cc (546)
  • Connective Tissue Disorders Without Cc/mcc (547)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
M04.9 Right Arrow 710.9 Diff connect tis dis NOS

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
M04 Autoinflammatory syndromes
M04.1 Periodic fever syndromes
M04.2 Cryopyrin-associated periodic syndromes
M04.8 Other autoinflammatory syndromes

This page was last updated on: 10/1/2023

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