61928009: Platelet count (procedure)

SNOMED CT Concept\Procedure\...

\Procedure by method\Determination of a value, conclusion, or inference by evaluating evidence\...

\An observation, by some objective method, of amount, number, quantity, size, level, extent, or magnitude, resulting in an ordinal or quantitative value\Cell count\Blood cell count\Platelet count

\Laboratory test\Hematology procedure\Laboratory test related to hemostasis\Platelet count

\Laboratory procedure (procedure)\Laboratory test\Hematology procedure\Laboratory test related to hemostasis\Platelet count

Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2021. Module: SNOMED CT core

Descriptions:

Expanded Value Set

Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Platelet count	Is a	Laboratory test related to hemostasis	true	Inferred relationship	Some
Platelet count	Is a	Blood cell count	true	Inferred relationship	Some
Platelet count	Method	Investigation - action	false	Inferred relationship	Some
Platelet count	Has intent	Diagnostic intent (qualifier value)	false	Inferred relationship	Some
Platelet count	Has measured component (attribute)	Platelet	false	Inferred relationship	Some
Platelet count	Has measured component (attribute)	Blood cell	false	Inferred relationship	Some
Platelet count	Component	Blood cell	false	Inferred relationship	Some	2
Platelet count	Component	Platelet	false	Inferred relationship	Some	1
Platelet count	Component	Hematology observable	false	Inferred relationship	Some
Platelet count	Method	Evaluation - action	false	Inferred relationship	Some
Platelet count	Method	Measurement - action	false	Inferred relationship	Some	3
Platelet count	Component	Entire platelet	true	Inferred relationship	Some	1
Platelet count	Method	Measurement - action	true	Inferred relationship	Some	1

Inbound Relationships	Type	Active	Source	Characteristic	Refinability	Group
Severe fever with thrombocytopenia syndrome (SFTS) is a newly emerging infectious disease.	Interprets	True	Platelet count	Inferred relationship	Some	4
Thrombocytopaenia co-occurrent and due to alcoholism	Interprets	True	Platelet count	Inferred relationship	Some	1
Doan-Wright syndrome	Interprets	True	Platelet count	Inferred relationship	Some	2
Thrombocytopenia with congenital dyserythropoietic anemia is a rare hematological disorder, seen almost exclusively in males, characterized by moderate to severe thrombocytopenia with hemorrhages with or without the presence of mild to severe anemia.	Interprets	True	Platelet count	Inferred relationship	Some	5
Acquired pancytopenia	Interprets	True	Platelet count	Inferred relationship	Some	2
Evans syndrome	Interprets	True	Platelet count	Inferred relationship	Some	1
Thrombotic thrombocytopenic purpura	Interprets	True	Platelet count	Inferred relationship	Some	1
Pancytopenia	Interprets	True	Platelet count	Inferred relationship	Some	2
Pancytopenia with pancreatitis	Interprets	True	Platelet count	Inferred relationship	Some	3
Pancytopenia-dysmelia	Interprets	False	Platelet count	Inferred relationship	Some	2
Upshaw-Schulman syndrome (disorder)	Interprets	False	Platelet count	Inferred relationship	Some	1
Autoimmune thrombotic thrombocytopenic purpura (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	2
Acquired thrombotic thrombocytopenic purpura (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	2
Drug induced thrombotic thrombocytopenic purpura (disorder)	Interprets	False	Platelet count	Inferred relationship	Some	2
Fanconi's anemia	Interprets	True	Platelet count	Inferred relationship	Some	3
Estren-Dameshek anemia	Interprets	True	Platelet count	Inferred relationship	Some	3
Autoimmune pancytopenia	Interprets	True	Platelet count	Inferred relationship	Some	2
Isolated thrombocytopenia (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	1
Refractory thrombocytopenia (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	2
A rare syndromic renal disorder characterized by renal, neurologic and thyroid disease, associated with thrombocytopenia. There have been no further descriptions in the literature since 1978.	Interprets	True	Platelet count	Inferred relationship	Some	6
Pancytopenia caused by medication (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	5
Congenital thrombocytopenia (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	2
Inherited predisposition to essential thrombocythemia	Interprets	False	Platelet count	Inferred relationship	Some	1
Thrombocytosis	Interprets	True	Platelet count	Inferred relationship	Some	1
Essential thrombocythemia (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	1
Familial thrombocytosis is a type of thrombocytosis, a sustained elevation of platelet numbers, which affects the platelet/megakaryocyte lineage and may create a tendency for thrombosis and hemorrhage but does not cause myeloproliferation.	Interprets	True	Platelet count	Inferred relationship	Some	1
Post-splenectomy thrombocytosis	Interprets	True	Platelet count	Inferred relationship	Some	1
Reactive thrombocytosis	Interprets	True	Platelet count	Inferred relationship	Some	1
Pancytopenia due to antineoplastic chemotherapy (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	4
Diarrhea-negative hemolytic uremic syndrome (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	4
Acquired red cell aplasia	Interprets	False	Platelet count	Inferred relationship	Some	5
Aplastic anemia due to radiation	Interprets	True	Platelet count	Inferred relationship	Some	4
Aplastic anaemia	Interprets	True	Platelet count	Inferred relationship	Some	2
Constitutional aplastic anemia	Interprets	True	Platelet count	Inferred relationship	Some	5
A rare constitutional aplastic anemia disorder characterized by severe hypo/aplastic anemia or pancytopenia associated with skeletal anomalies (such as radial/ulnar defects and hand/digit abnormalities) and an increased risk of leukemia. There have been no further descriptions in the literature since 1995.	Interprets	True	Platelet count	Inferred relationship	Some	3
Hemolytic uremic syndrome of childhood	Interprets	True	Platelet count	Inferred relationship	Some	4
Diarrhea-associated hemolytic uremic syndrome (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	4
Congenital hemolytic uremic syndrome (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	1
Aplastic anemia caused by toxic cause	Interprets	True	Platelet count	Inferred relationship	Some	4
Hemolytic uremic syndrome, adult type	Interprets	True	Platelet count	Inferred relationship	Some	4
Hemolytic uremic syndrome	Interprets	True	Platelet count	Inferred relationship	Some	1
Parvoviral aplastic crisis	Interprets	True	Platelet count	Inferred relationship	Some	5
Antibody mediated acquired pure red cell aplasia caused by erythropoiesis stimulating agent (disorder)	Interprets	False	Platelet count	Inferred relationship	Some	5
GATA binding protein 1 related thrombocytopenia with dyserythropoiesis (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	2
Aplastic anemia associated with pregnancy (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	5
Haemolytic uraemic syndrome with either a family history of haemolytic uraemic syndrome or a genetic mutation known to cause haemolytic uraemic syndrome, or both.	Interprets	True	Platelet count	Inferred relationship	Some	3
Aplastic anemia caused by antineoplastic agent	Interprets	True	Platelet count	Inferred relationship	Some	4
Pure red cell aplasia, acquired	Interprets	False	Platelet count	Inferred relationship	Some	5
Aplastic anemia with AIDS (acquired immunodeficiency syndrome)	Interprets	True	Platelet count	Inferred relationship	Some	4
Constitutional aplastic anemia with malformation	Interprets	True	Platelet count	Inferred relationship	Some	4
Aplastic anaemia due to chronic disease	Interprets	True	Platelet count	Inferred relationship	Some	3
Acquired aplastic anemia	Interprets	True	Platelet count	Inferred relationship	Some	3
Idiopathic aplastic anaemia	Interprets	True	Platelet count	Inferred relationship	Some	3
Revesz syndrome is a rare severe phenotypic variant of dyskeratosis congenita with an onset in early childhood, characterized by features of DC (e.g. skin hyper/hypopigmentation, nail dystrophy, oral leukoplakia, high risk of bone marrow failure (BMF) and cancer, developmental delay sparse and fine hair) in conjunction with bilateral exudative retinopathy, and intracranial calcifications.	Interprets	True	Platelet count	Inferred relationship	Some	3
Aplastic anemia associated with metabolic alteration (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	3
Immunologic aplastic anemia	Interprets	True	Platelet count	Inferred relationship	Some	3
Secondary aplastic anemia	Interprets	True	Platelet count	Inferred relationship	Some	3
Aplastic anemia due to drugs	Interprets	True	Platelet count	Inferred relationship	Some	5
Aplastic anemia associated with pancreatitis (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	5
Transient acquired pure red cell aplasia	Interprets	False	Platelet count	Inferred relationship	Some	5
Aplastic anemia due to infection	Interprets	True	Platelet count	Inferred relationship	Some	1
Chronic acquired pure red cell aplasia	Interprets	False	Platelet count	Inferred relationship	Some	5
A rare acquired aplastic anaemia characterised by a severe normocytic anaemia with normal peripheral leukocyte and platelet counts, reticulocytopenia, high serum ferritin and transferrin saturation levels and isolated, almost complete absence of erythroblasts in the bone marrow with normal granulopoiesis and megakaryopoiesis. It presents with signs of severe anaemia (fatigue, lethargy, pallor, intolerance of physical exercise and exertional dyspnoea) in the absence of haemorrhagic symptoms.	Interprets	False	Platelet count	Inferred relationship	Some	5
Aplastic anaemia co-occurrent with human immunodeficiency virus infection	Interprets	True	Platelet count	Inferred relationship	Some	2
Humoral immunologic aplastic anemia	Interprets	True	Platelet count	Inferred relationship	Some	5
Cellular immunologic aplastic anemia	Interprets	True	Platelet count	Inferred relationship	Some	5
A rare genetic disease characterized by cerebellar ataxia, cytopenias and predisposition to bone marrow failure and myeloid leukemia. Neurologic features variably include slowly progressive cerebellar ataxia or balance impairment with cerebellar atrophy and periventricular white matter T2 hyperintensities in brain MRI, horizontal and vertical nystagmus, dysmetria, dysarthria, pyramidal tract signs and reduced nerve conduction velocity. Hematological abnormalities are variable and may be intermittent and include cytopenias of all cell lineages, immunodeficiency, myelodysplasia and acute myeloid leukemia.	Interprets	True	Platelet count	Inferred relationship	Some	3
Kasabach-Merritt syndrome	Interprets	True	Platelet count	Inferred relationship	Some	1
Macrothrombocytopenia with mitral valve insufficiency is a rare hemorrhagic disorder due to a platelet anomaly characterized by dysfunctional platelets of abnormally large size, moderate thrombocytopenia, prolonged bleeding time and mild bleeding diathesis (ecchymoses and epistaxis), associated with mitral valve insufficiency.	Interprets	True	Platelet count	Inferred relationship	Some	1
Thrombocythemia with distal limb defects is a rare, genetic syndrome with limb reduction defects characterized by thrombocytosis, unilateral transverse limb defects (ranging from absence of phalanges to absence of hand or forearm) and splenomegaly.	Interprets	True	Platelet count	Inferred relationship	Some	1
A rare constitutional aplastic anemia characterized by progressive trilineage bone marrow failure (with hypocellularity), developmental delay with learning disabilities, and microcephaly. Mild facial dysmorphism and hypotonia have also been reported.	Interprets	True	Platelet count	Inferred relationship	Some	4
A rare, genetic, isolated constitutional thrombocytopenia disease characterized by impaired platelet aggregation resulting from a defect in thromboxane synthesis or signaling, manifesting with mild to moderate mucocutaneous, gastrointestinal or surgical bleeding (e.g. easy bruising, prolonged epistaxis, excessive bleeding after a tooth extraction).	Interprets	True	Platelet count	Inferred relationship	Some	1
A rare, genetic, isolated constitutional thrombocytopenia disease characterized by decreased platelet counts, not associated with platelet morphology or function impairment, in multiple members of a family. Manifestations are variable, typically ranging from asymptomatic to mild bleeding diathesis (e.g. easy bruising, epistaxis, petechiae). Occasionally, a more severe bleeding tendency has been associated and a mild predisposition to infection and eczema has been reported.	Interprets	True	Platelet count	Inferred relationship	Some	1
Hereditary isolated aplastic anemia is a rare, genetic, constitutional aplastic anemia disorder characterized by severe peripheral blood pancytopenia and bone marrow hypoplasia in multiple individuals of a family, in the absence of any somatic symptoms. Abnormal bleeding, as well as erythrocyte macrocytosis, is reported and patients usually become transfusion dependent.	Interprets	True	Platelet count	Inferred relationship	Some	4
A rare syndrome with combined immunodeficiency characterized by a variable clinical presentation ranging from asymptomatic individuals to potentially life-threatening, recurrent bacterial infections associated with progressive loss of serum immunoglobulins and B cells.	Interprets	True	Platelet count	Inferred relationship	Some	3
Pancytopenia caused by immunosuppressant	Interprets	True	Platelet count	Inferred relationship	Some	3
Atypical haemolytic uraemic syndrome	Interprets	True	Platelet count	Inferred relationship	Some	2
Thrombocytopenia due to COVID-19	Interprets	True	Platelet count	Inferred relationship	Some	1
Fetal thrombocytopenia	Interprets	True	Platelet count	Inferred relationship	Some	1
Upshaw-Schulman syndrome (disorder)	Interprets	False	Platelet count	Inferred relationship	Some	8
Drug induced thrombotic thrombocytopenic purpura (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	6
Pancytopenia caused by anticonvulsant	Interprets	True	Platelet count	Inferred relationship	Some	4
Pancytopenia caused by antithyroid drug (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	4
Thrombosis with thrombocytopenia syndrome with the detection of antibodies against PF-4 (platelet factor-4).	Interprets	True	Platelet count	Inferred relationship	Some	3
X-linked thrombocytopenia with normal platelets (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	2
Percentage reticulated platelet count	Is a	True	Platelet count	Inferred relationship	Some
A rare genetic disease characterised by progressive and severe sensorineural hearing loss with onset in the first decade of life, associated with mild thrombocytopenia, often with enlarged platelets. Most patients do not show significant bleeding tendency.	Interprets	True	Platelet count	Inferred relationship	Some	3
A rare multiple congenital anomalies/dysmorphic syndrome with intellectual disability characterized by global developmental delay, intellectual disability, macrothrombocytopenia, lymphedema, and dysmorphic facial features (like synophrys, ptosis, eversion of the lateral portion of the lower eyelid, and thin upper lip, among others). Additional reported manifestations include cardiac and genitourinary anomalies, sensorineural hearing loss, ophthalmologic abnormalities, skeletal anomalies, and immunodeficiency. Brain imaging may show enlarged ventricles, cerebellar atrophy, or white matter changes.	Interprets	True	Platelet count	Inferred relationship	Some	4
A rare syndromic constitutional thrombocytopenia characterized by thrombocytopenia with increased bleeding tendency (leading to epistaxis, menorrhagia, and petechiae), in combination with myelofibrosis and splenomegaly. Platelets may be abnormally large or small and partly hypo- or agranular, plasma thrombopoietin is elevated, and the number of megakaryocytes in the bone marrow increased. Additional non-hematologic manifestations have been described in some patients, including mild bone abnormalities and facial dysmorphism with large forehead, hypertelorism, deep-set eyes, and wide nostrils.	Interprets	True	Platelet count	Inferred relationship	Some	2
A rare isolated constitutional thrombocytopenia characterized by reduced platelet count and defective platelet ATP secretion, resulting in increased bleeding tendency. Clinical manifestations are easy bruising, gum bleeding, menorrhagia, spontaneous epistaxis, spontaneous muscle hematoma, and potential postpartum hemorrhage, among others.	Interprets	True	Platelet count	Inferred relationship	Some	3
A rare isolated hereditary giant platelet disorder characterised by severe thrombocytopenia and thrombopathy due to defects in proplatelet formation and platelet activation in homozygous patients. Clinical manifestation are recurrent bleeding episodes including epistaxis, spontaneous haematoma, and menorrhagia.	Interprets	True	Platelet count	Inferred relationship	Some	3
A rare systemic disease characterized by acute or subacute onset of thrombocytopenia, anasarca (edema, pleural effusion, ascites), and systemic inflammation (fever and/or elevated C-reactive protein). Minor diagnostic categories are Castleman's disease-like features on lymph node biopsy, reticulin myelofibrosis and/or increased number of megakaryocytes in bone marrow, progressive renal insufficiency, and mild organomegaly including hepatosplenomegaly and lymphadenopathy. Most patients show elevated levels of serum alkaline phosphatase, while marked polyclonal hypergammopathy is rare.	Interprets	True	Platelet count	Inferred relationship	Some	2
A rare isolated constitutional thrombocytopenia characterized by neonatal onset of small-platelet thrombocytopenia with significantly increased bleeding tendency. Bleeding symptoms include petechial rash, mucosal bleeding, and heavy menstrual bleeding. Growth and development are normal, and there is no increased susceptibility to infections.	Interprets	True	Platelet count	Inferred relationship	Some	3
A rare lymphatic system anomaly characterized by multifocal congenital and progressive vascular lesions of the skin, gastrointestinal tract, and occasionally other anatomic sites, causing potentially life-threatening thrombocytopenic coagulopathy. Macroscopically, the lesions appear as round to oval, red-brown plaques, as large as a few centimeters in diameter. Histopathologically, they consist of dilated, thin-walled vessels with variable endothelial hyperplasia, positive for lymphatic endothelial cell markers, and resembling benign lymphangioendothelioma.	Interprets	True	Platelet count	Inferred relationship	Some	3
Upshaw-Schulman syndrome (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	5
Hematopoietic subsyndrome of acute radiation syndrome (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	6
A rare genetic hemolytic uremic syndrome (HUS) characterized by infantile onset of relapsing episodes of microangiopathic hemolytic anemia, thrombocytopenia, and acute kidney injury. The episodes are often preceded by viral infections. Affected individuals typically present persistent hypertension, hematuria, and proteinuria (sometimes in the nephrotic range) and develop chronic kidney disease with age.	Interprets	True	Platelet count	Inferred relationship	Some	3
A rare type of hemolytic uremic syndrome (HUS) characterized by the triad of hemolytic anemia due to generalized thrombotic microangiopathy, thrombocytopenia, and acute kidney injury, and most commonly occurring after acute gastroenteritis due to Shiga toxin-producing enterohemorrhagic Escherichia coli or Shigella dysenteriae. Other infectious causes of HUS include Streptococcus pneumoniae, HIV, Mycoplasma pneumoniae, Histoplasmosis, and Coxsackie virus.	Interprets	True	Platelet count	Inferred relationship	Some	4
Postpartum hemolysis-elevated liver enzymes-low platelet count syndrome	Interprets	True	Platelet count	Inferred relationship	Some	4
Fanconi anemia of complementation group C	Interprets	True	Platelet count	Inferred relationship	Some	4
Pancytopenia caused by colchicine (disorder)	Interprets	True	Platelet count	Inferred relationship	Some	4

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Id	Description	Lang	Type	Status	Case?	Module
102928018	Platelet count	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
499164018	Plt - Platelet count	en	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
801044018	Platelet count (procedure)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1232259017	Platelet count - observation	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
2427261000195112	Anzahl der Blutplättchen	de	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
2427271000195118	Thrombozytenzahl	de	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module