Overview
Clinical overview and emergency guidance are pending physician authorship. Graph-derived data (ontology codes, linked conditions, diagnostic biomarkers) is available below.
Associated Conditions
Conditions associated with this symptom based on HPO disease-phenotype annotations.
Chorea acanthocytosis syndrome
Frequent (30-79%)
Kugelberg-Welander disease
Always present (100%)
Azorean disease
Blood group deletion syndrome
Very frequent (80-99%)
MEMSA - myoclonic epilepsy myopathy sensory ataxia
Occasional (5-29%)
Ataxia-telangiectasia-like disorder
Frequent (30-79%)
Hereditary inclusion body myopathy
Frequent (30-79%)
ARSACS - autosomal recessive spastic ataxia of Charlevoix-Saguenay
Occasional (5-29%)
Autosomal recessive axonal neuropathy with neuromyotonia
Frequent (30-79%)
Autosomal dominant optic atrophy plus syndrome
Occasional (5-29%)
Spinocerebellar ataxia type 4
Very frequent (80-99%)
Autosomal dominant Charcot-Marie-Tooth disease type 2B
Always present (100%)
Sensory ataxic neuropathy with dysarthria and ophthalmoparesis syndrome
Occasional (5-29%)
COG8 congenital disorder of glycosylation
Frequent (30-79%)
Autosomal dominant Charcot-Marie-Tooth disease type 2N
Frequent (30-79%)
Autosomal dominant optic atrophy and cataract
Occasional (5-29%)
Charcot-Marie-Tooth disease type 2H
Adult polyglucosan body disease
Very frequent (80-99%)
Early-onset X-linked optic atrophy
McLeod neuroacanthocytosis syndrome
Very frequent (80-99%)
Spastic paraplegia, optic atrophy, neuropathy syndrome
Frequent (30-79%)
Autosomal recessive spastic paraplegia type 61
Always present (100%)
X-linked intellectual disability Hedera type
Occasional (5-29%)
Charcot-Marie-Tooth disease, deafness, intellectual disability syndrome
Frequent (30-79%)
X-linked Charcot-Marie-Tooth disease type 6
Very frequent (80-99%)
Quick Facts
- SNOMED CT
- 274818004
- UMLS CUI
- C0558845
- Fully Specified Name
- Ankle reflex absent (finding)
- Associated Conditions
- 25
- Diagnostic Tests
- 0
This information is for educational purposes only. If you are experiencing symptoms, please consult a healthcare provider for proper evaluation and diagnosis.