ICD-10-CM M04.1 is the diagnosis code for Periodic fever syndromes. This code falls under the section "Autoinflammatory syndromes" within Chapter 13 — Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where M04.1 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, M04.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
M04.1 is the ICD-10-CM diagnosis code for "Periodic fever syndromes". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of M04.1 is M04 ("Autoinflammatory syndromes"). M04.1 provides a more specific classification within this category.
M04.1 is located in Section M04 — "Autoinflammatory syndromes" within Chapter 13 of the ICD-10-CM Tabular List.
Use M04.1 when the patients documented diagnosis matches "Periodic fever syndromes" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Periodic fever syndromes is M04.1.
Yes, M04.1 can be used as a primary diagnosis code since it is billable and specific.
M04.1 is in Chapter 13 of the ICD-10-CM Tabular List.
Yes, M04.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.