ICDcodes.org
FY2027

O11.5 — Pre-existing hypertension with pre-eclampsia, complicating the puerperium

Billable

Is O11.5 billable?

Yes — O11.5 is billable for FY2027. O11.5 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. O11.5 may be submitted for encounters from October 1, 2026 through September 30, 2027.

O11.5 at a glance

CodeO11.5
DescriptionPre-existing hypertension with pre-eclampsia, complicating the puerperium
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does O11.5 group to?

O11.5 sits in MDC 14 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 769Postpartum and Post Abortion Diagnoses with O.R. Proceduressurgical

How is O11.5 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to O11.5. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Hypertension, hypertensive › complicating › puerperium, pre-existing › pre-existing › with › pre-eclampsia (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)

Excludes1 — never code together — inherited from Chapter 15

The conditions below can never be reported together with O11.5 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 O11.5 to fully describe the condition. O11.5 is sequenced first.

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

Use additional code — inherited from O11

Report an additional code alongside O11.5 to fully describe the condition. O11.5 is sequenced first.

  • code from O10 to identify the type of hypertension

Excludes2 — not included here — inherited from Chapter 15

The conditions below are not part of O11.5, but a patient may have both at the same time. When documentation supports it, O11.5 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)

How long has O11.5 existed?

O11.5 first appears in FY2018 (FY2017 is not available, so it may have appeared then).

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

Which conditions are coded to O11.5?

What other codes are in the O11 family? (5)