O34.91 – Maternal care for abnormality of pelvic organ, unspecified, first trimester

ICD-10-CM 2027 diagnosis code · Maternal care related to the fetus and amniotic cavity and possible delivery problems

Billable code

ICD-10-CM code O34.91

Code: O34.91 (claims format: O3491)
Description: Maternal care for abnormality of pelvic organ, unspecified, first trimester
Short description: Maternal care for abnlt of pelvic organ, unsp, first tri
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 15. Pregnancy, childbirth and the puerperium (O00-O9A)
Block: O30-O48 Maternal care related to the fetus and amniotic cavity and possible delivery problems
Parent codes: O34 › O34.9

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

O34 – Maternal care for abnormality of pelvic organs

Includes:

the listed conditions as a reason for hospitalization or other obstetric care of the mother, or for cesarean delivery before onset of labor

Code first:

any associated obstructed labor (O65.5)

Use additional code:

code for specific condition

Related codes in O34.9

Frequently asked questions

What is ICD-10 code O34.91?

O34.91 is the ICD-10-CM code for maternal care for abnormality of pelvic organ, unspecified, first trimester, in the block O30-O48 (Maternal care related to the fetus and amniotic cavity and possible delivery problems).

Is O34.91 a billable code?

Yes. O34.91 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does O34.91 belong to?

It belongs to category O34 – Maternal care for abnormality of pelvic organs.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.