Hi Jeff.
There is a test which can be requested by your GP. It is called the Lactate Test or Lactic Acid Test.
When is it requested?
Venous or arterial lactate levels may be requested when a patient has symptoms of hypoxia such as shortness of breath, rapid breathing, paleness, sweating, feeling sick , muscle weakness, stomach pain, or coma. The test may be requested when a patient presents with what the doctor suspects is shock, heart attack, severe congestive heart failure, renal failure, or uncontrolled diabetes. The lactate test will be initially requested with other tests to help measure the patient’s condition and then, if significantly elevated, at intervals to monitor the condition.
So, if you want this tested - see your GP.
Ken.