O33.5
Non-billableMaternal care for disproportion due to unusually large fetus
Maternal care for disproportion due to unusually large fetus
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Maternal care for disproportion due to disproportion of fetal origin with normally formed fetus
- Maternal care for disproportion due to fetal disproportion NOS
Includes
Conditions included under this code
- the listed conditions as a reason for observation, hospitalization or other obstetric care of the mother, or for cesarean delivery before onset of labor
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
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.
7th Character Definitions
- 0 - not applicable or unspecified
- 1 - fetus 1
- 2 - fetus 2
- 3 - fetus 3
- 4 - fetus 4
- 5 - fetus 5
- 9 - other fetus
Child Codes (7)
O33.5XX0Matern care for disproprtn d/t unusually large fetus, unsp
O33.5XX1Matern care for disproprtn d/t unusually large fetus, fts1
O33.5XX2Matern care for disproprtn d/t unusually large fetus, fts2
O33.5XX3Matern care for disproprtn d/t unusually large fetus, fts3
O33.5XX4Matern care for disproprtn d/t unusually large fetus, fts4
O33.5XX5Matern care for disproprtn d/t unusually large fetus, fts5
O33.5XX9Matern care for disproprtn due to unusually large fetus, oth
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code O33.5?
ICD-10-CM code O33.5 represents "Maternal care for disproportion due to unusually large fetus". It is a non-billable header code — use a more specific child code for billing purposes.
Is O33.5 a billable code?
No, O33.5 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 7 child codes under O33.5.
What chapter is O33.5 in?
O33.5 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).
What codes cannot be used with O33.5?
O33.5 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-); disproportion with obstructed labor (O65-O66).
What are the subcategories under O33.5?
O33.5 has 7 child codes, including: O33.5XX0 (Matern care for disproprtn d/t unusually large fetus, unsp), O33.5XX1 (Matern care for disproprtn d/t unusually large fetus, fts1), O33.5XX2 (Matern care for disproprtn d/t unusually large fetus, fts2), O33.5XX3 (Matern care for disproprtn d/t unusually large fetus, fts3), and 3 more.
Are additional codes required with O33.5?
Yes, when using O33.5 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 O33.5?
O33.5 is linked to 3 UMLS Concept Unique Identifiers: C2908192, C2908193, C0495214. 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.