O24 — Diabetes mellitus in pregnancy, childbirth, and the puerperium

Not billable

Is O24 billable?

No — O24 is a non-billable header code. O24 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 42 billable codes beneath O24.

Billable codes under this header

O24 at a glance

Code	O24
Description	Diabetes mellitus in pregnancy, childbirth, and the puerperium
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Excludes1 — never code together — inherited from Chapter 15

The conditions below can never be reported together with O24 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

supervision of normal pregnancy (Z34.-)

Use additional code — inherited from Chapter 15

Report an additional code alongside O24 to fully describe the condition. O24 is sequenced first.

code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Excludes2 — not included here — inherited from Chapter 15

The conditions below are not part of O24, but a patient may have both at the same time. When documentation supports it, O24 and the excluded code may both be reported.

mental and behavioral disorders associated with the puerperium (F53.-)
obstetrical tetanus (A34)
postpartum necrosis of pituitary gland (E23.0)
puerperal osteomalacia (M83.0)

Excludes2 — not included here — inherited from O20-O29

The conditions below are not part of O24, but a patient may have both at the same time. When documentation supports it, O24 and the excluded code may both be reported.

maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99)

What codes fall under O24? (6)

How long has O24 existed?

O24 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.