ICD-10-CM M08.1 is the diagnosis code for Juvenile ankylosing spondylitis. This code falls under the section "Inflammatory polyarthropathies" 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.
The following conditions should never be coded at the same time as M08.1. They are mutually exclusive:
Understanding where M08.1 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, M08.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
M08.1 is the ICD-10-CM diagnosis code for "Juvenile ankylosing spondylitis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of M08.1 is M08 ("Juvenile arthritis"). M08.1 provides a more specific classification within this category.
M08.1 is located in Section M05-M14 — "Inflammatory polyarthropathies" within Chapter 13 of the ICD-10-CM Tabular List.
Use M08.1 when the patients documented diagnosis matches "Juvenile ankylosing spondylitis" 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 Juvenile ankylosing spondylitis is M08.1.
Yes, M08.1 can be used as a primary diagnosis code since it is billable and specific.
M08.1 is in Chapter 13 of the ICD-10-CM Tabular List.
Type 1 Excludes for M08.1 include: ankylosing spondylitis in adults (M45.0-).
Yes, M08.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.