Amniotic fluid lecithin/sphingomyelin ratio (procedure)
| Code | 68297005 |
|---|---|
| Semantic tag | procedure |
| Module | international |
| Definition | primitive |
| Effective time | 20020131 |
433441002Measurement of substance in specimen
procedure
104869008Phosphatidylcholine measurement
procedure
115340009Ratio measurement
procedure
None (leaf concept).