O66
Non-billableOther obstructed labor
Other obstructed 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
Child Codes
9
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
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 (9)
O66.0Obstructed labor due to shoulder dystocia
O66.1Obstructed labor due to locked twins
O66.2Obstructed labor due to unusually large fetus
O66.3Obstructed labor due to other abnormalities of fetus
O66.4Failed trial of labor
O66.5Attempted application of vacuum extractor and forceps
O66.6Obstructed labor due to other multiple fetuses
O66.8Other specified obstructed labor
O66.9Obstructed labor, unspecified
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code O66?
ICD-10-CM code O66 represents "Other obstructed labor". It is a non-billable header code — use a more specific child code for billing purposes.
Is O66 a billable code?
No, O66 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 9 child codes under O66.
What chapter is O66 in?
O66 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).
What codes cannot be used with O66?
O66 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-).
What are the subcategories under O66?
O66 has 9 child codes, including: O66.0 (Obstructed labor due to shoulder dystocia), O66.1 (Obstructed labor due to locked twins), O66.2 (Obstructed labor due to unusually large fetus), O66.3 (Obstructed labor due to other abnormalities of fetus), and 5 more.
Are additional codes required with O66?
Yes, when using O66 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?
O66 is linked to 1 UMLS Concept Unique Identifier: C0495260. 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.