AutoICD API

O11

Non-billable

Pre-existing hypertension with pre-eclampsia

Pre-existing hypertension with pre-eclampsia

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

O10-O16

Child Codes

6

Coding Notes

Includes

Conditions included under this code

  • conditions in O10 complicated by pre-eclampsia
  • pre-eclampsia superimposed pre-existing hypertension

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • supervision of normal pregnancy (Z34.-)

Excludes 2

Conditions not included here, but the patient may have both

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

Use Additional Code

Additional codes that should follow this code

  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
  • code from O10 to identify the type of hypertension

Child Codes (6)

O11.1

Pre-existing hypertension w pre-eclampsia, first trimester

BillableO11.2

Pre-existing hypertension w pre-eclampsia, second trimester

BillableO11.3

Pre-existing hypertension w pre-eclampsia, third trimester

BillableO11.4

Pre-existing htn with pre-eclampsia, comp childbirth

BillableO11.5

Pre-existing htn with pre-eclampsia, comp the puerperium

BillableO11.9

Pre-existing hypertension with pre-eclampsia, unsp trimester

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code O11?

ICD-10-CM code O11 represents "Pre-existing hypertension with pre-eclampsia". It is a non-billable header code — use a more specific child code for billing purposes.

Is O11 a billable code?

No, O11 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under O11.

What chapter is O11 in?

O11 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).

What codes cannot be used with O11?

O11 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-).

What are the subcategories under O11?

O11 has 6 child codes, including: O11.1 (Pre-existing hypertension w pre-eclampsia, first trimester), O11.2 (Pre-existing hypertension w pre-eclampsia, second trimester), O11.3 (Pre-existing hypertension w pre-eclampsia, third trimester), O11.4 (Pre-existing htn with pre-eclampsia, comp childbirth), and 2 more.

Are additional codes required with O11?

Yes, when using O11 you should also code: code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.; code from O10 to identify the type of hypertension.

What are the UMLS CUIs for O11?

O11 is linked to 3 UMLS Concept Unique Identifiers: C0341952, C5819589, C4290245. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.