| parent | Immunoglobulins | LP31769-0 |
| child | IgM Ag | LP38620-8 |
| child | IgM | Blood cord | Chemistry - non-challenge | LP384857-1 |
| child | IgM | Body fluid | Chemistry - non-challenge | LP384858-9 |
| child | IgM.CSF | LP69226-6 |
| child | IgM Ab | LP38619-0 |
| child | IgM | Cerebral spinal fluid | Chemistry - non-challenge | LP384859-7 |
| child | IgM | Peritoneal fluid | Chemistry - non-challenge | LP384860-5 |
| child | IgM.intrathecally synthesized | LP62860-9 |
| child | IgM.monoclonal | LP15661-9 |
| child | IgM | Serum | Chemistry - non-challenge | LP384861-3 |
| child | IgM | Serum or Plasma | Chemistry - non-challenge | LP384862-1 |
| child | IgM clearance/Albumin clearance | LP286259-9 |
| child | IgM | Urine | Chemistry - non-challenge | LP384863-9 |
| parent | Immunoglobulins | LP31769-0 |
| child | IgM Ag | LP38620-8 |
| child | IgM.heavy chain | LP14675-0 |
| PartDisplayName | en-US | IgM |
| DisplayName | en-US | IgM |
LOINC Version: 2.77
FHIR