ICD-10-CM > O00-O9A > O94-O9A > O99 > O99.8 > O99.82 O99.82 Streptococcus B carrier state complicating pregnancy, childbirth and the puerperium Non-Billable/Non-Specific Type 1 Excludes Carrier of streptococcus group B (GBS) in a nonpregnant woman (Z22.330) Codes O99.820Streptococcus B carrier state complicating pregnancyO99.824Streptococcus B carrier state complicating childbirthO99.825Streptococcus B carrier state complicating the puerperium