| Answer | No evidence of myopathy | LA24811-4 |
| Answer | Abnormal ECG | LA24621-7 |
| Answer | Abnormal EMG | LA24622-5 |
| Answer | Lactic acidosis in blood | LA24772-8 |
| Answer | Lactic acidosis in CSF | LA24773-6 |
| Answer | Ragged red fibers absent on muscle biopsy | LA24867-6 |
| Answer | Ragged red fibers present on muscle biopsy | LA24866-8 |
| Answer | Other abnormality on muscle biopsy | LA25446-8 |
| Answer | Other | LA46-8 |
| Answer | Unknown | LA4489-6 |
| answers-for | Type of Evidence supporting myopathy | 79735-7 |
| LONG_COMMON_NAME | en-US | [NEI] Findings supporting myopathy |
LOINC Version: 2.77
FHIR