2026 ICD-10-CM Diagnosis Code M81.8Other osteoporosis without current pathological fracture
ICD-10-CM Codes›M00–M99›M80-M85›M81
- Billable — Valid for Submission
- Chronic Condition
M81.8 is a billable ICD-10-CM diagnosis code for other osteoporosis without current pathological fracture. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 553 through 554. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Osteoporosis.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Adult idiopathic generalized osteoporosis
- Astronaut-bone demineralization syndrome
- Autosomal dominant hypophosphatemic bone disease
- Chronic kidney disease mineral and bone disorder
- Disuse osteoporosis
- Dominant hypophosphatemia with nephrolithiasis and/or osteoporosis
- Drug-induced osteoporosis
- Dysplasia with defective mineralization
- Idiopathic generalized osteoporosis
- Idiopathic osteoporosis
- Idiopathic osteoporosis in pregnancy
- Juvenile idiopathic generalized osteoporosis
- Lesion of bone
- Localized disuse osteoporosis
- LRP5-related primary osteoporosis
- Osteoporosis and oculocutaneous hypopigmentation syndrome
- Osteoporosis caused by corticosteroid
- Osteoporosis caused by ionizing radiation
- Osteoporosis circumscripta
- Osteoporosis co-occurrent and due to multiple myeloma
- Osteoporosis due to and following radiotherapy
- Osteoporosis due to chronic kidney disease
- Osteoporosis due to cystic fibrosis
- Osteoporosis due to endocrine disorder
- Osteoporosis due to malabsorption
- Paget's disease of skull
- Postoophorectomy osteoporosis
- Post-surgical malabsorption osteoporosis
- Posttraumatic osteoporosis
- Premenopausal idiopathic osteoporosis
- Regional migrating osteoporosis
- Regional osteoporosis
- Secondary generalized osteoporosis
- Secondary osteoporosis
- Transient osteoporosis
- Transient osteoporosis of hip
- Transient osteoporosis of hip in pregnancy
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- Drug-induced osteoporosis without current pathological fracture
- Idiopathic osteoporosis without current pathological fracture
- Osteoporosis of disuse without current pathological fracture
- Postoophorectomy osteoporosis without current pathological fracture
- Postsurgical malabsorption osteoporosis without current pathological fracture
- Post-traumatic osteoporosis without current pathological fracture
Use Additional Code
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- Osteoporosis (female) (male) - M81.0
- disuse - M81.8
- specified type NEC - M81.8
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- Osteoporosis(female) (male)
- disuse
- Osteoporosis(female) (male)
- specified type NEC
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Osteoporosis
Osteoporosis is a disease in which your bones become weak and are likely to fracture (break). The disease can develop when your bone mineral density and bone mass decrease. It can also happen if the structure and strength of your bones change.
The full article covers:
- What is osteoporosis?
- What causes osteoporosis?
- Who is more likely to develop osteoporosis?
- What are the symptoms of osteoporosis?
- How is osteoporosis diagnosed?
- What are the treatments for osteoporosis?
- Can osteoporosis be prevented?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert M81.8 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About M81.8Overview
Is M81.8 (Osteoporosis without current pathological fracture) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other osteoporosis without current pathological fracture on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does M81.8 group to?
When other osteoporosis without current pathological fracture is the principal diagnosis on an inpatient stay, it groups to MS-DRG 553, 554, with relative weights from 0.8301 to 1.2963 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of M81.8?
Under the General Equivalence Mappings, other osteoporosis without current pathological fracture converts to ICD-9-CM 733.02 (idiopathic osteoporosis), 733.03 (disuse osteoporosis), and 733.09 (osteoporosis NEC). The mapping is approximate, so confirm the match fits the documentation.
Footnotes
[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:
- The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
- The condition places limitations on self-care, independent living, and social interactions.
