raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:79276

Acute intermittent porphyria

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Adolescent, Adult
Status
active

A form of acute hepatic porphyria characterized by the occurrence of neurovisceral attacks without cutaneous symptoms.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAcute intermittent porphyria
frPorphyrie aiguë intermittente
dePorphyrie, akute intermittierende
esPorfiria aguda intermitente
itPorfiria intermittente acuta
nlAcute intermitterende porfyrie
ptPorfiria aguda intermitente
plOstra porfiria przerywana
csAkutní intermitentní porfyrie
ukГостра інтермітуюча порфірія
zh急性间歇型卟啉病
trAkut intermittent porfiri

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM176000Evalidated
ICD-10E80.2NTBTattributedvalidated
ICD-115C58.1YNTBTindexvalidated
MONDO0008294Evalidated
MeSHD017118Evalidated
UMLSC0162565Evalidated
GARD5732Evalidated

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):

  • ORPHA:95157Acute hepatic porphyria
    rare inborn errors of metabolism; rare genetic diseases; rare neurological diseases; rare hepatic diseases; rare skin diseases; rare renal diseases; rare transplant-related disorders

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
HMBSDisease-causing germline mutation(s) inAssessedHGNC:4982ENSG0000025626960980611q23.3hydroxymethylbilane synthase20301372[PMID]
5

Prevalence and incidence

22 records
TypeClassValueAreaQualificationValidationSource
Annual incidence<1 / 1 000 0000.013 / 100 000EuropeValue and classValidated23114748[PMID]
Point prevalence1-9 / 1 000 0000.54 / 100 000EuropeValue and classValidated23114748[PMID]
Annual incidence<1 / 1 000 0000.012 / 100 000FranceValue and classValidated23114748[PMID]
Point prevalence1-9 / 1 000 0000.55 / 100 000FranceValue and classValidated23114748[PMID]
Annual incidence<1 / 1 000 0000.011 / 100 000ItalyValue and classValidated23114748[PMID]
Point prevalence1-9 / 1 000 0000.5 / 100 000ItalyValue and classValidated23114748[PMID]
Annual incidence<1 / 1 000 0000.013 / 100 000FinlandValue and classValidated23114748[PMID]
Point prevalence1-9 / 1 000 0000.59 / 100 000FinlandValue and classValidated23114748[PMID]
Annual incidence<1 / 1 000 0000.018 / 100 000NetherlandsValue and classValidated23114748[PMID]
Point prevalence1-9 / 1 000 0000.81 / 100 000NetherlandsValue and classValidated23114748[PMID]
Annual incidence<1 / 1 000 0000.014 / 100 000NorwayValue and classValidated23114748[PMID]
Point prevalence1-9 / 1 000 0000.63 / 100 000NorwayValue and classValidated23114748[PMID]
Annual incidence<1 / 1 000 0000.016 / 100 000PolandValue and classValidated23114748[PMID]
Point prevalence1-9 / 1 000 0000.72 / 100 000PolandValue and classValidated23114748[PMID]
Annual incidence<1 / 1 000 0000.014 / 100 000SpainValue and classValidated23114748[PMID]
Point prevalence1-9 / 1 000 0000.63 / 100 000SpainValue and classValidated23114748[PMID]
Annual incidence<1 / 1 000 0000.051 / 100 000SwedenValue and classValidated23114748[PMID]
Point prevalence1-5 / 10 00010 / 100 000SwedenValue and classValidated12372055[PMID]
Annual incidence<1 / 1 000 0000.022 / 100 000SwitzerlandValue and classValidated23114748[PMID]
Point prevalence1-9 / 1 000 0000.99 / 100 000SwitzerlandValue and classValidated23114748[PMID]
Annual incidence<1 / 1 000 0000.016 / 100 000United KingdomValue and classValidated23114748[PMID]
Point prevalence1-9 / 1 000 0000.72 / 100 000United KingdomValue and classValidated23114748[PMID]

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

51 annotations · validated 2020-06-15
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0002027Abdominal pain
HP:0012379Abnormal enzyme/coenzyme activity
HP:0003163Elevated urinary delta-aminolevulinic acid
HP:0012217Increased urinary porphobilinogen
HP:0010473Porphyrinuria
Frequent (79-30%)
HP:0003418Back pain
HP:0002019Constipation
HP:0006824Cranial nerve paralysis
HP:0000822Hypertension
HP:0009763Limb pain
HP:0001268Mental deterioration
HP:0002017Nausea and vomiting
HP:0030833Neck pain
HP:0009830Peripheral neuropathy
HP:0000083Renal insufficiency
HP:0001649Tachycardia
Occasional (29-5%)
HP:0003270Abdominal distention
HP:0000739Anxiety
HP:0410263Brain imaging abnormality
HP:0001289Confusion
HP:0040319Dark urine
HP:0000716Depression
HP:0002014Diarrhea
HP:0002460Distal muscle weakness
HP:0001262Excessive daytime somnolence
HP:0001945Fever
HP:0000738Hallucinations
HP:0001402Hepatocellular carcinoma
HP:0002902Hyponatremia
HP:0002595Ileus
HP:0100785Insomnia
HP:0002354Memory impairment
HP:0007002Motor axonal neuropathy
HP:0007178Motor polyneuropathy
HP:0011999Paranoia
HP:0008994Proximal muscle weakness in lower limbs
HP:0008997Proximal muscle weakness in upper limbs
HP:0007024Pseudobulbar paralysis
HP:0002093Respiratory insufficiency
HP:0002203Respiratory paralysis
HP:0000711Restlessness
HP:0001250Seizure
HP:0003474Somatic sensory dysfunction
HP:0004347Weakness of muscles of respiration
Very rare (<4-1%)
HP:0001259Coma
HP:0100518Dysuria
HP:0000975Hyperhidrosis
HP:0001337Tremor
HP:0000020Urinary incontinence
HP:0000016Urinary retention
Excluded (0%)
HP:0011121Abnormal skin morphology

Run the differential on the 5 obligate / very frequent terms

Annotation source: 20301372[PMID]_29383964[PMID]

7

Sources for this card