Pregnancy, childbirth and the puerperium

Covers pregnancy, childbirth, and the puerperium. This chapter has its own distinct sequencing rule: codes here take sequencing priority over codes from other chapters when the reason for encounter is pregnancy-related.

Key coding points

• •An obstetric code from this chapter is sequenced first on a maternal record, with any non-obstetric conditions coded as secondary diagnoses.
• •Most codes require the trimester of pregnancy or the specific week, where known, to be reflected via the appropriate 7th character or subcategory.

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