AutoICD API

O10.91

Non-billable

Unspecified pre-existing hypertension complicating pregnancy

Unspecified pre-existing hypertension complicating pregnancy

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

Parent Code

O10.9

Child Codes

4

Coding Notes

Includes

Conditions included under this code

  • pre-existing hypertension with pre-existing proteinuria complicating pregnancy, childbirth and the puerperium

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)
  • pre-existing hypertension with superimposed pre-eclampsia complicating pregnancy, childbirth and the puerperium (O11.-)

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.

Child Codes (4)

O10.911

Unsp pre-existing htn comp pregnancy, first trimester

BillableO10.912

Unsp pre-existing htn comp pregnancy, second trimester

BillableO10.913

Unsp pre-existing htn comp pregnancy, third trimester

BillableO10.919

Unsp pre-existing htn comp pregnancy, unsp trimester

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is the ICD-10 code for unspecified pre-existing hypertension complicating pregnancy?

The ICD-10-CM code for unspecified pre-existing hypertension complicating pregnancy is O10.91. The full clinical description is "Unspecified pre-existing hypertension complicating pregnancy". O10.91 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code O10.91 mean?

ICD-10-CM code O10.91 represents "Unspecified pre-existing hypertension complicating pregnancy". It is classified under Chapter 15: Pregnancy, Childbirth and the Puerperium and is a non-billable header code. Use a more specific child code for billing purposes.

Is O10.91 a billable code?

No, O10.91 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under O10.91.

What chapter is O10.91 in?

O10.91 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).

What codes cannot be used with O10.91?

O10.91 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-).

What are the subcategories under O10.91?

O10.91 has 4 child codes, including: O10.911 (Unsp pre-existing htn comp pregnancy, first trimester), O10.912 (Unsp pre-existing htn comp pregnancy, second trimester), O10.913 (Unsp pre-existing htn comp pregnancy, third trimester), O10.919 (Unsp pre-existing htn comp pregnancy, unsp trimester).

Are additional codes required with O10.91?

Yes, when using O10.91 you should also code: code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known..

What are the UMLS CUIs for O10.91?

O10.91 is linked to 1 UMLS Concept Unique Identifier: C2903551. 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.