O99.835 – Other infection carrier state complicating the puerperium

ICD-10-CM 2027 diagnosis code · Other obstetric conditions, not elsewhere classified

Billable code

ICD-10-CM code O99.835

Code: O99.835 (claims format: O99835)
Description: Other infection carrier state complicating the puerperium
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: O94-O9A Other obstetric conditions, not elsewhere classified
Parent codes: O99 › O99.8 › O99.83

Notes inherited from parent codes

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

O99 – Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

Includes:

conditions which complicate the pregnant state, are aggravated by the pregnancy or are a main reason for obstetric care

Excludes2 (not included here):

when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)

Use additional code:

code to identify specific condition

O99.8 – Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium

Applicable to:

Conditions in D00-D48, H00-H95, M00-N99, and Q00-Q99

Excludes2 (not included here):

genitourinary infections in pregnancy (O23.-)
infection of genitourinary tract following delivery (O86.1-O86.4)
malignant neoplasm complicating pregnancy, childbirth and the puerperium (O9A.1-)
maternal care for known or suspected abnormality of maternal pelvic organs (O34.-)
postpartum acute kidney failure (O90.49)
traumatic injuries in pregnancy (O9A.2-)

Use additional code:

code to identify condition

O99.83 – Other infection carrier state complicating pregnancy, childbirth and the puerperium

Use additional code:

code to identify the carrier state (Z22.-)

Index terms for O99.835

Entries in the ICD-10-CM alphabetic index that lead to this code:

Puerperal, puerperium, infection, maternal, carrier state NEC

Related codes in O99.83

Frequently asked questions

What is ICD-10 code O99.835?

O99.835 is the ICD-10-CM code for other infection carrier state complicating the puerperium, in the block O94-O9A (Other obstetric conditions, not elsewhere classified).

Is O99.835 a billable code?

Yes. O99.835 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does O99.835 belong to?

It belongs to category O99 – Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium.

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.