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Standard

Carnitine palmitoyl transferase II deficiency, severe infantile form

CPT2 · rs74315295

Strength of the evidence

3 / 4

ClinVar classifies it as disease-causing (or likely), reviewed at 2 of 4 stars.

How this is scored

4: ClinVar disease-causing, reviewed by an expert panel or a guideline (3–4 stars). 3: ClinVar, several labs agreeing (2 stars), or a genetic study at p ≤ 10−50. 2: ClinVar from one lab (1 star), or p ≤ 10−20. 1: ClinVar submitted without criteria (0 stars), or genome-wide significance (p ≤ 5×10−8). The higher of the two counts. It says how solid the evidence is, not whether it matters for a particular person.

What ClinVar records

Classification Pathogenic/Likely pathogenic for Carnitine palmitoyl transferase II deficiency, severe infantile form, Carnitine palmitoyl transferase II deficiency, myopathic form, Carnitine palmitoyltransferase II deficiency, Carnitine palmitoyl transferase II deficiency, neonatal form, Encephalopathy, acute, infection-induced, susceptibility to, 4 and 3 more; criteria provided, multiple submitters, no conflicts (2 of 4 stars, 17 submitters), last evaluated 2026-03-11. ClinVar record 8958 NM_000098.3(CPT2):c.1148T>A (p.Phe383Tyr)

Change history MyGeneLog™ keeps a copy of every weekly release from 2026-10-19 and compares them. This position's classification has not changed since.

What this is ClinVar's aggregate record for this position (as of its 2026-11-01 release), not a result about you. A classification describes the variant against the condition named, as laboratories submitted it. Whether a person carries this variant, and what that would mean for them, is a question for a clinical test and a genetic counsellor.

How common each version is

AT
Korean KRGDB
A 0.1% · T 99.9%
Korean Korea4K
A 0.0% · T 100.0%
Korean Korea1K
A 0.1% · T 100.0%
Japanese ToMMo
A 0.1% · T 99.9%
World gnomAD
T 100.0%
World TOPMed
T 100.0%

The share of all copies of this position that are each version. Source: the population studies published in dbSNP (US NCBI); each row names its study.

What each result means

A/A Two copies of the version ClinVar lists as disease-causing or likely disease-causing for Carnitine palmitoyl transferase II deficiency, severe infantile form. A result like this should be confirmed by a medical genetic test and talked through with a doctor; consumer DNA files can misread rare variants. (ClinVar VCV000008958, criteria provided, multiple submitters, no conflicts)
A/T One copy of the version ClinVar lists as disease-causing or likely disease-causing for Carnitine palmitoyl transferase II deficiency, severe infantile form. Some conditions need only one copy; for others, one copy makes a person a carrier who is usually healthy but can pass it on. A genetic counsellor can say which applies. (ClinVar VCV000008958, criteria provided, multiple submitters, no conflicts)
T/T No copy of the version ClinVar lists as disease-causing or likely disease-causing for Carnitine palmitoyl transferase II deficiency, severe infantile form. This is the usual result. (ClinVar VCV000008958, criteria provided, multiple submitters, no conflicts)

Source: ClinVar VCV000008958, criteria provided, multiple submitters, no conflicts

Quoting this page

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Carnitine palmitoyl transferase II deficiency, severe infantile form (rs74315295). MyGeneLog™. https://www.mygenelog.com/variants/rs74315295

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