M35.1
BillableOther overlap syndromes
Other overlap syndromes
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Mixed connective tissue disease
Includes
Conditions included under this code
- autoimmune disease NOS
- collagen (vascular) disease NOS
- systemic autoimmune disease
- systemic collagen (vascular) disease
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- autoimmune disease, single organ or single cell-type -code to relevant condition category
- •reactive perforating collagenosisL87.1
- •polyangiitis overlap syndromeM30.8
Excludes 2
Conditions not included here, but the patient may have both
- •arthropathic psoriasisL40.5
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •compartment syndrome (traumatic)A-)T79
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Related Codes(9)
M35.0Sjogren syndrome
M35.2Behcet's disease
M35.3Polymyalgia rheumatica
M35.4Diffuse (eosinophilic) fasciitis
M35.5Multifocal fibrosclerosis
M35.6Relapsing panniculitis [Weber-Christian]
M35.7Hypermobility syndrome
M35.8Other specified systemic involvement of connective tissue
M35.9Systemic involvement of connective tissue, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(67)
SNOMED CT
- Childhood type dermatomyositis1212005
- Juvenile dermatomyositis1212005
- Neuromyositis31384009
- PM - Polymyositis31384009
- Polymyositis31384009
- Undifferentiated connective tissue disease239918008
- Overlap syndrome276657008
- Connective tissue disease overlap syndrome398021003
- Lupus erythematosus overlap syndrome402711009
- Juvenile dermatomyositis overlap syndrome1144920003
- Dermatomyositis overlap syndrome1144931006
- Polymyositis overlap syndrome1144944001
UMLS
- CONNECTIVE TISSUE DIS MIXEDC0026272
- Connective Tissue Disease, MixedC0026272
- Connective tissue disease overlap syndromeC0026272
- Connective tissue disease overlap syndrome (disorder)C0026272
- MCTDC0026272
- MCTD - Mixed connective tissue diseaseC0026272
- MIXED CONNECTIVE TISSUE DISC0026272
- Mixed Connective Tissue DiseaseC0026272
- Mixed collagen vascular diseaseC0026272
- Mixed collagen vascular disease (disorder)C0026272
- Mixed connective tissue diseaseC0026272
- Sharp SyndromeC0026272
- Sharp syndromeC0026272
- Sharp's syndromeC0026272
- Syndrome, SharpC0026272
- collagen disease mixed vascularC0026272
- connective disease mixed tissueC0026272
- connective mixed tissue diseaseC0026272
- connective tissue disease mixedC0026272
- mctdC0026272
- mix connective tissue diseaseC0026272
- mixed collagen vascular diseaseC0026272
- mixed connective tissue diseaseC0026272
- sharp syndromeC0026272
- Other Overlap SyndromesC0477590
- Other overlap syndromesC0477590
Clinical Terms
- Connective tissue disease overlap syndrome
- Polymyositis
- Juvenile dermatomyositis
- Sharp's syndrome
- mixed connective tissue disease
- CONNECTIVE TISSUE DIS MIXED
- MIXED CONNECTIVE TISSUE DIS
- connective disease mixed tissue
- Sharp Syndrome
- connective tissue disease mixed
- Lupus erythematosus overlap syndrome
- collagen disease mixed vascular
- Undifferentiated connective tissue disease
- Connective tissue disease overlap syndrome (disorder)
- mctd
- Overlap syndrome
- connective mixed tissue disease
- Juvenile dermatomyositis overlap syndrome
- Mixed collagen vascular disease (disorder)
- PM - Polymyositis
- Dermatomyositis overlap syndrome
- Mixed collagen vascular disease
- Connective Tissue Disease, Mixed
- mix connective tissue disease
- Polymyositis overlap syndrome
- Syndrome, Sharp
- MCTD - Mixed connective tissue disease
- Neuromyositis
- Childhood type dermatomyositis
Frequently Asked Questions
What is the ICD-10 code for other overlap syndromes?
The ICD-10-CM code for other overlap syndromes is M35.1. The full clinical description is "Other overlap syndromes". M35.1 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code M35.1 mean?
ICD-10-CM code M35.1 represents “Other overlap syndromes”. It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a billable/specific code that can be used on a claim.
Is M35.1 a billable code?
Yes, M35.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is M35.1 in?
M35.1 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M35.1?
M35.1 has Excludes1 notes indicating codes that cannot be used together with it, including: autoimmune disease, single organ or single cell-type -code to relevant condition category; reactive perforating collagenosis (L87.1); polyangiitis overlap syndrome (M30.8).
What SNOMED CT codes does M35.1 map to?
M35.1 maps to 9 SNOMED CT concepts: 1212005, 398021003, 1144931006, 1144920003, 402711009, and 4 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for M35.1?
M35.1 is linked to 2 UMLS Concept Unique Identifiers: C0026272, C0477590. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M35.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other overlap syndromes affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of M35.1?
M35.1 maps to the ICD-11 code: 4A43.Z (Undifferentiated non-organ specific systemic autoimmune disease).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.