M35.7
ICD-10BillableHypermobility syndrome
Official ICD-10-CM descriptor (FY2026)
Hypermobility syndrome
M35.7 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Familial ligamentous laxity
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- ligamentous laxity, NOS (M24.2-)
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- Ehlers-Danlos syndromes (Q79.6-)
Related codes in M35
- M35.0Sjogren syndromecategory
- M35.1Other overlap syndromes
- M35.2Behcet's disease
- M35.3Polymyalgia rheumatica
- M35.4Diffuse (eosinophilic) fasciitis
- M35.5Multifocal fibrosclerosis
- M35.6Relapsing panniculitis [Weber-Christian]
- M35.8Other specified systemic involvement of connective tissuecategory
- M35.9Systemic involvement of connective tissue, unspecified
Where this code sits
- Parent code
- M35
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.