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645 Late pregnancy
Requires fifth digit; valid digits are in [brackets] under each code. See beginning of section 640-649 for definitions. | |
 | 645.1 Post term pregnancy
[0,1,3]
Pregnancy over 40 completed weeks to 42 completed weeks gestation |
| 645.2 Prolonged pregnancy
[0,1,3]
Pregnancy which has advanced beyond 42 completed weeks of gestation |