Mrs Ali has come to see you as she is concerned about her son Rishi, who is fourteen months old. She informs you that her older daughter Nitisha (aged three) has just been diagnosed with vitamin D deficiency and was advised that all her children should be taking vitamin D supplements. She was advised to take Rishi to see her local health visitor but is now concerned because the health visitor has given her a different dose to what Nitisha was prescribed. On examination, you can see Rishi has marked knocking of his knees. You consider measuring Rishi’s Vitamin D level.
In which one of the clinical scenarios would you not measure vitamin D levels?