Absolute Metamyelocytes
What It Means
The number of neutrophil precursors one step earlier than bands, usually kept in the marrow.
Why It Matters
Their appearance suggests that the bone marrow is accelerating production and releasing cells earlier than usual.
Why It Matters
Best interpreted with other immature cells (bands, myelocytes, blasts) and clinical context to understand how intensive the current immune or marrow demand might be.