O99.211

Obesity complicating pregnancy, first trimester

Billable / specific

O99.211 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

conditions which complicate the pregnant state, are aggravated by the pregnancy or are a main reason for obstetric care
Note: CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
Note: Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
Note: Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
Note: 1st trimester- less than 14 weeks 0 days
Note: 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
Note: 3rd trimester- 28 weeks 0 days until delivery

Not coded here — never report together with this code.

Not included here — may be reported together when both conditions exist.

diabetes mellitus (O24.-) (from O99.2)
malnutrition (O25.-) (from O99.2)
postpartum thyroiditis (O90.5) (from O99.2)
mental and behavioral disorders associated with the puerperium (F53.-) (from O99)
obstetrical tetanus (A34) (from O99)
postpartum necrosis of pituitary gland (E23.0) (from O99)
puerperal osteomalacia (M83.0) (from O99)
when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36) (from O99)

Add a code to identify the following, if applicable.

code to identify the type of obesity (E66.-) (from O99.21)
code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known. (from O99)
code to identify specific condition (from O99)