R56.9
BillableUnspecified convulsions
Unspecified convulsions
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Convulsion disorder
- Fit NOS
- Recurrent convulsions
- Seizure(s) (convulsive) NOS
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Also Known As / Clinical Terms
SNOMED CT
- Postseizure headache13322008
- Lowered convulsive threshold19260006
- Post-fit state31758001
- Post-ictal state31758001
- Post-seizure state31758001
- Postictal state31758001
- EEG abnormality with seizure43400009
- Electroencephalogram abnormality with seizure43400009
- Raised convulsive threshold47654002
- Uraemic convulsion49255002
- Uremic convulsion49255002
- Central convulsion58895005
- Essential convulsion58895005
- Spontaneous convulsion58895005
- Cortical blindness68574006
- Tetanic convulsion71587006
- Epileptic cry73706008
- Convulsion91175000
- Fit91175000
- Fit - convulsion91175000
- Fitting91175000
- Seizure91175000
- Seizure disorder128613002
- Blood magnesium abnormal166745009
- Blood magnesium outside reference range166745009
- Situation-related seizures230431001
- Disorder of lysine and hydroxylysine metabolism237929000
- Lysine and hydroxylysine metabolism disorder237929000
- Disorder of beta and omega amino acid metabolism237940008
- Epilepsy monitoring status243857008
- Hypoglycaemia-induced convulsion308680003
- Hypoglycaemia-induced fit308680003
- Hypoglycaemia-induced seizure308680003
- Hypoglycemia-induced convulsion308680003
- Hypoglycemia-induced fit308680003
- Hypoglycemia-induced seizure308680003
- Seizures complicating infection371115001
- Familial psoriasis402335001
- Daily seizures407621003
- Many seizures a day407622005
- Emergency epilepsy treatment since last appointment407623000
- PTS - Posttraumatic seizure437871001
- Posttraumatic seizure437871001
- Seizure after head injury437871001
- Left ventricular myocardial noncompaction cardiomyopathy447935001
- Ventricular myocardial noncompaction cardiomyopathy471875005
- Folinic acid responsive developmental and epileptic encephalopathy717276003
- Folinic acid responsive seizures717276003
- Tranebjaerg Svejgaard syndrome719810000
- X-linked intellectual disability with seizure and psoriasis syndrome719810000
- Al Gazali Nair syndrome722110003
- Osteogenesis imperfecta, retinopathy, seizures, intellectual disability syndrome722110003
- Microcephaly, seizure, intellectual disability, heart disease syndrome723304001
- Perceptual disturbances and seizures co-occurrent and due to alcohol withdrawal723926008
- Seizures and intellectual disability due to hydroxylysinuria723994004
- Seizures and intellectual disability due to hydroxylysinuria syndrome723994004
- Perceptual disturbances co-occurrent and due to sedative withdrawal724665004
- Perceptual disturbances co-occurrent and due to hypnotic withdrawal724666003
- Seizure co-occurrent and due to sedative withdrawal724668002
- Seizure co-occurrent and due to hypnotic withdrawal724669005
- Perceptual disturbances and seizures co-occurrent and due to sedative withdrawal724671005
- Perceptual disturbances and seizures co-occurrent and due to hypnotic withdrawal724672003
- Perceptual disturbances co-occurrent and due to psychoactive substance withdrawal724726005
- Seizure co-occurrent and due to psychoactive substance withdrawal724727001
- Perceptual disturbances and seizures co-occurrent and due to psychoactive substance withdrawal724728006
- Antiquitin deficiency734434007
- PD-DEE - pyridoxine-dependent developmental and epileptic encephalopathy734434007
- Pyridoxine-dependent DEE (developmental and epileptic encephalopathy)734434007
- Pyridoxine-dependent developmental and epileptic encephalopathy734434007
- Pyridoxine-dependent epilepsy734434007
- Vitamin B6-dependent seizures734434007
- Intellectual disability, seizures, macrocephaly, obesity syndrome770750002
- Congenital disorder of glycosylation due to PIGT (phosphatidylinositol glycan anchor biosynthesis class T) deficiency770755007
- Congenital disorder of glycosylation due to PIGT deficiency770755007
- Intellectual disability, seizures, hypotonia, ophthalmologic, skeletal anomalies syndrome770755007
- MCAHS (multiple congenital anomalies, hypotonia, seizures syndrome) type 3770755007
- Primary hyperaldosteronism, seizures, neurological abnormalities syndrome789063000
- Acute seizure due to infection of central nervous system838351006
- Global developmental delay, neuro-ophthalmological abnormalities, seizures, intellectual disability syndrome1172630000
- Lethal left ventricular non-compaction, seizures, hypotonia, cataract, developmental delay syndrome1172839002
- Progressive microcephaly, seizures, cortical blindness, developmental delay syndrome1172900005
- Intellectual disability, seizures, abnormal gait, facial dysmorphism syndrome1177167002
- Skraban Deardorff syndrome1177167002
- Blood magnesium below reference range1179460004
- Early-onset seizures, distal limb anomalies, facial dysmorphism, global developmental delay syndrome1187042007
- GPAA1-related biosynthesis defect1217381009
- Glycosylphosphatidylinositol anchor attachment 1-related biosynthesis defect1217381009
- Neurodevelopmental delay, seizures, ophthalmic anomalies, osteopenia, cerebellar atrophy syndrome1217381009
- Seizure co-occurrent and due to substance withdrawal1254960008
- Perceptual disturbance due to alcohol withdrawal1255066009
- Ictal traumatic injury1263508001
- Traumatic injury due to seizure1263508001
- Migraine aura-triggered seizure1263514008
- Seizure due to migraine with aura1263514008
- G protein subunit alpha o1-related developmental delay, seizures, movement disorder spectrum1281842000
- GNAO1-related developmental delay, seizures, movement disorder spectrum1281842000
- GNAO1-related spectrum1281842000
- IRF2BPL-related regressive neurodevelopmental disorder, dystonia, seizures syndrome1303273003
- Interferon regulatory factor 2 binding protein like-related regressive neurodevelopmental disorder, dystonia, seizures syndrome1303273003
- Primary hypomagnesaemia, generalised seizures, intellectual disability, obesity syndrome1351854006
- Primary hypomagnesemia, generalized seizures, intellectual disability, obesity syndrome1351854006
- Progressive microcephaly, seizures, cortical blindness, developmental delay syndrome with combined immunodeficiency due to diaphanous related formin 1 mutation1354858008
- Progressive microcephaly, seizures, cortical blindness, developmental delay with combined immunodeficiency due to DIAPH1 deficiency1354858008
- Progressive microcephaly, seizures, cortical blindness, developmental delay with combined immunodeficiency due to DIAPH1 mutation1354858008
- SCBMS (seizures, cortical blindness, microcephaly syndrome) with combined immunodeficiency due to DIAPH1 mutation1354858008
- Genetic syndromic childhood obesity1359763002
- Acute repetitive seizure460681000124100
- Cluster seizure460681000124100
- Crescendo seizure460681000124100
- Serial seizure460681000124100
- Disorder of GABA (gamma aminobutyric acid) metabolism16909721000119103
- Disorder of gamma aminobutyric acid metabolism16909721000119103
- Disorder of gamma-aminobutyric acid metabolism16909721000119103
- Fall due to seizure435901000124102
- Hereditary cerebellar atrophy431641000124107
- Recurrent seizure460731000124105
- Seizure disorder as sequela of stroke137991000119103
UMLS
- ConvulsionC4048158
- ConvulsionsC4048158
- Fit NOSC4048158
- Unspecified convulsionsC4048158
- Convulsion disorderC0234972
- Convulsive disorderC0234972
- Disorder convulsiveC0234972
- convulsive disorderC0234972
- convulsive disordersC0234972
- Convulsive SeizureC0751494
- Convulsive SeizuresC0751494
- Convulsive seizureC0751494
- Motor SeizureC0751494
- Motor SeizuresC0751494
- Motor seizureC0751494
- Seizure(s) (convulsive) NOSC0751494
- Seizure, ConvulsiveC0751494
- Seizure, MotorC0751494
- Seizures, ConvulsiveC0751494
- Seizures, MotorC0751494
- Seizures, convulsiveC0751494
- convulsions seizuresC0751494
- convulsive seizureC0751494
- motor seizureC0751494
- motor seizuresC0751494
- Recurrent convulsionsC1719638
Frequently Asked Questions
What is ICD-10 code R56.9?
ICD-10-CM code R56.9 represents "Unspecified convulsions". It is a billable/specific code that can be used on a claim.
Is R56.9 a billable code?
Yes, R56.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is R56.9 in?
R56.9 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R56.9?
R56.9 has Excludes1 notes indicating codes that cannot be used together with it, including: dissociative convulsions and seizures (F44.5); epileptic convulsions and seizures (G40.-); newborn convulsions and seizures (P90).
What SNOMED CT codes does R56.9 map to?
R56.9 maps to 68 SNOMED CT concepts: 460681000124100, 838351006, 722110003, 734434007, 166745009, and 63 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for R56.9?
R56.9 is linked to 4 UMLS Concept Unique Identifiers: C4048158, C0234972, C0751494, C1719638. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.