raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:3129

Sarcosinemia

Synonyms: Sarcosine dehydrogenase complex deficiency

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
All ages
Status
active

A rare inborn error of metabolism characterized by increased concentrations of sarcosine in plasma and urine due to sarcosine dehydrogenase deficiency. The condition is considered benign and not associated with any specific clinical phenotype. Mode of inheritance is autosomal recessive.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSarcosinemiaSarcosine dehydrogenase complex deficiency
frSarcosinémieDéficit en complexe sarcosine déshydrogénase
deSarkosinämieSarkosin-Dehydrogenase-Komplex-Mangel
esSarcosinemiaDeficiencia del complejo sarcosina deshidrogenasa
itSarcosinemiaDeficit del complesso sarcosina deidrogenasi
nlSarcosinemieSarcosine dehydrogenasecomplexdeficiëntie
ptSarcosinemiaDeficiência do complexo sarcosina desidrogenase
plSarkozynemiaNiedobór kompleksu dehydrogenazy sarkozyny
csSarkosinemieDeficit sarkosindehydrogenázového komplexu
ukСаркозінеміяДефіцит саркозиндегідрогеназного комплексу
zh肌氨酸血症肌氨酸脱氢酶复合物缺乏症
trSarkozinemiSarkozin dehidrojenaz kompleks eksikliği

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM268900Evalidated
ICD-10E72.5NTBTinclusionvalidated
ICD-115C50.71Especificvalidated
MONDO0010008Evalidated
MeSHC537236Evalidated
UMLSC0268563Evalidated
GARD158Evalidated
MedDRA10059299Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
SARDHDisease-causing germline mutation(s) inAssessedHGNC:10536ENSG000001234536044559q34.2sarcosine dehydrogenase22825317[PMID]
5

Prevalence and incidence

4 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 1 000 0000.28 / 100 000United StatesValue and classValidated6207480[PMID]
Prevalence at birth1-9 / 100 0002 / 100 000WorldwideValue and classValidatedORPHANET
Point prevalence1-9 / 100 000—WorldwideClass onlyValidatedORPHANET
Prevalence at birth1-9 / 100 0002.3 / 100 000Specific populationValue and classValidatedISBN:79092543[OTHER]

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

22 annotations · validated 2019-05-14
HPOTerm (as annotated by Orphanet)Diagnostic
Obligate (100%)
HP:0010896HypersarcosinemiaDiagnostic criterion
Very frequent (99-80%)
HP:0010897Hypersarcosinuria
Occasional (29-5%)
HP:0100022Abnormality of movement
HP:0001251Ataxia
HP:0002069Bilateral tonic-clonic seizure
HP:0007875Congenital blindness
HP:0010522Dyslexia
HP:0000712Emotional lability
HP:0008947Floppy infant
HP:0001263Global developmental delay
HP:0001639Hypertrophic cardiomyopathy
HP:0008610Infantile sensorineural hearing impairment
HP:0001256Intellectual disability, mild
HP:0002371Loss of speech
HP:0001270Motor delay
HP:0000648Optic atrophy
HP:0011727Peroneal muscle weakness
HP:0002465Poor speech
HP:0001642Pulmonic stenosis
HP:0002360Sleep abnormality
HP:0000486Strabismus
HP:0002273Tetraparesis

Run the differential on the 2 obligate / very frequent terms

Annotation source: 22825317[PMID]_9323574[PMID]_2420598[PMID]_6207480[PMID]_5504071[PMID]_5936868[PMID]

7

Sources for this card