Human Phenotype Ontology 
Grandparent Node:
expandAbnormal erythrocyte morphology (HP:0001877)help
Parent Node:
expandAbnormal hemoglobin (HP:0011902)help
..Starting node
..expandIncreased HbA2 hemoglobin (HP:0045048)help
Term ID: 45048
Name: Increased HbA2 hemoglobin
Synonym: Increased haemoglobin A2; Increased HbA2 haemoglobin; Increased hemoglobin A2
Definition: An elevated concentration in the blood of hemoglobin A2 (HbA2), which is a normal variant of hemoglobin A that consists of two alpha and two delta chains and is normally present at low levels in adults but may be increased in beta thalassemia.
Comments:
Reference: HP:0045048
Genes and Diseases:
 
       Child Nodes:

 Sister Nodes: 
..expandAbnormal mean corpuscular hemoglobin concentration (HP:0025546) help
..expandElevated hemoglobin A1c (HP:0040217) help
..expandHbH hemoglobin (HP:0011903) help
..expandHbS hemoglobin (HP:0045047) help
..expandHemoglobin Barts (HP:0005507) help
..expandImbalanced hemoglobin synthesis (HP:0005560) help
..expandMethemoglobinemia (HP:0012119) help
..expandPersistence of hemoglobin F (HP:0011904) help
..expandReduced hemoglobin A (HP:0011905) help
InputHPO IDHPO termDistanceGeneGene id entrezHGNC IDDiseaseIdDiseaseNameFrequencyOnsetHGMD variantsClinVar variants
 
HPO disease - gene - phenotype typical associations:
 
HPO disease - gene - phenotype less frequent non-typical associations:
HP:0045048HP:0045048Increased HbA2 hemoglobin0HBB CL E G H30434827ORPHA:231222Beta-thalassemia intermediaHP:0040282 - Frequent580
HP:0045048HP:0045048Increased HbA2 hemoglobin0HBB CL E G H30434827OMIM:603902BETA-THALASSEMIA, DOMINANT INCLUSION BODY TYPE580
HP:0045048HP:0045048Increased HbA2 hemoglobin0HBB CL E G H30434827ORPHA:90039Hemoglobin D disease580


Genes (1) :HBB

Diseases (3) :ORPHA:231222 OMIM:603902 ORPHA:90039
 

Human Phenotype Ontology(HPO) is developed by the Human Phenotype Ontology Consortium. The version used here is December 15 2022 release.