AutoICD API

O66.4

Non-billable

Failed trial of labor

Failed trial of labor

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

Status

Non-billable / Header

Block

O60-O77

Parent Code

O66

Child Codes

2

Coding Notes

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.

Child Codes (2)

O66.40

Failed trial of labor, unspecified

BillableO66.41

Failed attempt vaginal birth after previous cesarean del

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code O66.4?

ICD-10-CM code O66.4 represents "Failed trial of labor". It is a non-billable header code — use a more specific child code for billing purposes.

Is O66.4 a billable code?

No, O66.4 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under O66.4.

What chapter is O66.4 in?

O66.4 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).

What codes cannot be used with O66.4?

O66.4 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-).

What are the subcategories under O66.4?

O66.4 has 2 child codes, including: O66.40 (Failed trial of labor, unspecified), O66.41 (Failed attempt vaginal birth after previous cesarean del).

Are additional codes required with O66.4?

Yes, when using O66.4 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 O66.4?

O66.4 is linked to 1 UMLS Concept Unique Identifier: C0157223. 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.