645.21
Prolonged pregnancy, delivered, with or without mention of antepartum condition
The ICD-9 code for prolonged pregnancy, delivered, with or without mention of antepartum condition is 645.21.
Legacy code — retired October 1, 2015ICD-10-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents.
View ICD-9 → ICD-10 crosswalk for 645.21 →