Short answer · Medically reviewed summary · Last updated: 2026-05-08

Paget's Disease of bone, also known as osteitis deformans, is classified under ICD-10 code M88 (with specific sub-codes for affected sites, such as M88.8 for other bones) and historically falls under ICD-9 code 731.0. These codes are essential for medical billing, clinical documentation, and tracking the prevalence of Paget's Disease within healthcare systems. What exactly is Paget's Disease? Paget's Disease is a chronic skeletal disorder characterized by excessive bone resorption followed by disorganized bone formation.

1 people with Paget's Disease have shared their first-person experience on this question at DiseaseMaps.

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ICD10 code of Paget's Disease and ICD9 code

ICD-10 and ICD-9 codes for Paget's Disease, with classification details for clinicians, coders and patients.

ICD9 and ICD10 codes of Paget's Disease

Paget's Disease of bone, also known as osteitis deformans, is classified under ICD-10 code M88 (with specific sub-codes for affected sites, such as M88.8 for other bones) and historically falls under ICD-9 code 731.0. These codes are essential for medical billing, clinical documentation, and tracking the prevalence of Paget's Disease within healthcare systems.



What exactly is Paget's Disease?


Paget's Disease is a chronic skeletal disorder characterized by excessive bone resorption followed by disorganized bone formation. This leads to enlarged, structurally weaker, and more brittle bones that are prone to deformity and fracture. While the exact etiology remains under investigation, it is believed to involve a combination of genetic predisposition and environmental triggers, such as viral infections in early life. Within the DiseaseMaps community, we have seen members navigate the unique challenges of managing the bone pain and orthopedic complications associated with Paget's Disease.



How are ICD codes used for Paget's Disease?


Healthcare providers use specific coding systems to ensure accurate diagnosis and treatment planning. The ICD-10 system provides greater granularity than the older ICD-9 system, allowing clinicians to specify the anatomical location of Paget's Disease, such as the skull, spine, or femur. Precise coding helps in:



  • Tracking the global burden of Paget's Disease.

  • Facilitating insurance coverage for diagnostic imaging like X-rays and bone scans.

  • Monitoring long-term outcomes for patients living with Paget's Disease.

  • Supporting research initiatives and clinical trial recruitment.



Is Paget's Disease hereditary?


Research indicates that Paget's Disease has a significant genetic component. Approximately 15% to 40% of individuals with Paget's Disease have a first-degree relative with the condition. Mutations in the SQSTM1 gene are the most commonly identified genetic factor, though the disease is considered complex rather than strictly Mendelian. Genetic counseling may be helpful for families concerned about the hereditary transmission of Paget's Disease.



Next steps



  • Consult an endocrinologist or rheumatologist who specializes in metabolic bone disorders to manage your Paget's Disease.

  • Request a baseline alkaline phosphatase blood test and skeletal survey to assess the extent of the disease.

  • Connect with others on DiseaseMaps.org to share experiences and coping strategies for managing chronic bone pain.

  • Review updated clinical guidelines from the Paget’s Association to stay informed about the latest treatment options.



Medical disclaimer: This information is for educational purposes only and does not constitute professional medical advice, diagnosis, or treatment; always seek the advice of your physician regarding a medical condition.



References



  • NIH Genetic and Rare Diseases Information Center (GARD): Paget's Disease of Bone.

  • Orphanet: Paget's disease of bone (ORPHA:2803).

  • OMIM (Online Mendelian Inheritance in Man): Paget Disease of Bone 1 (Entry #167250).

  • Paget's Association: Information and support for those affected by Paget's Disease.

Author: DiseaseMaps Editorial Team
Reviewed against authoritative medical sources (NIH GARD, Orphanet, OMIM)
Last updated: 2026-05-08
Medical disclaimer: This information does not substitute professional medical advice. Always consult your doctor before making health decisions.
Source: DiseaseMaps.org
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