Non-Billable / Non-Specific Code
ICD-10-CM M88 is the diagnosis code for Osteitis deformans [Paget's disease of bone]. This code falls under the section "Other osteopathies" within Chapter 13 — Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. 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 M88. They are mutually exclusive:
Understanding where M88 sits in the ICD-10-CM classification helps ensure proper coding:
No, M88 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
M88 is the ICD-10-CM diagnosis code for "Osteitis deformans [Paget's disease of bone]". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
M88 is located in Section M86-M90 — "Other osteopathies" within Chapter 13 of the ICD-10-CM Tabular List.
M88 has 4 sub-code(s) that provide more specific detail: M88.0, M88.1, M88.8, M88.9.
Use M88 when the patients documented diagnosis matches "Osteitis deformans [Paget's disease of bone]" 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 Osteitis deformans [Paget's disease of bone] is M88.
No, M88 is non-billable. Use a more specific sub-code for primary diagnosis billing.
M88 is in Chapter 13 of the ICD-10-CM Tabular List.
Type 1 Excludes for M88 include: osteitis deformans in neoplastic disease (M90.6).
Yes, M88 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.