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O41.129

Non-billable

Chorioamnionitis, unspecified trimester

Chorioamnionitis, unspecified trimester

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

Status

Non-billable / Header

Block

O30-O48

Parent Code

O41.12

Child Codes

7

Coding Notes

Excludes 1

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

  • supervision of normal pregnancy (Z34.-)
  • encounter for suspected maternal and fetal conditions ruled out (Z03.7-)

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 (7)

O41.1290

Chorioamnionitis, unsp trimester, not applicable or unsp

BillableO41.1291

Chorioamnionitis, unspecified trimester, fetus 1

BillableO41.1292

Chorioamnionitis, unspecified trimester, fetus 2

BillableO41.1293

Chorioamnionitis, unspecified trimester, fetus 3

BillableO41.1294

Chorioamnionitis, unspecified trimester, fetus 4

BillableO41.1295

Chorioamnionitis, unspecified trimester, fetus 5

BillableO41.1299

Chorioamnionitis, unspecified trimester, other fetus

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is the ICD-10 code for chorioamnionitis, unspecified trimester?

The ICD-10-CM code for chorioamnionitis, unspecified trimester is O41.129. The full clinical description is "Chorioamnionitis, unspecified trimester". O41.129 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code O41.129 mean?

ICD-10-CM code O41.129 represents "Chorioamnionitis, unspecified trimester". 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 O41.129 a billable code?

No, O41.129 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 O41.129.

What chapter is O41.129 in?

O41.129 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).

What codes cannot be used with O41.129?

O41.129 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-); encounter for suspected maternal and fetal conditions ruled out (Z03.7-).

What are the subcategories under O41.129?

O41.129 has 7 child codes, including: O41.1290 (Chorioamnionitis, unsp trimester, not applicable or unsp), O41.1291 (Chorioamnionitis, unspecified trimester, fetus 1), O41.1292 (Chorioamnionitis, unspecified trimester, fetus 2), O41.1293 (Chorioamnionitis, unspecified trimester, fetus 3), and 3 more.

Are additional codes required with O41.129?

Yes, when using O41.129 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 O41.129?

O41.129 is linked to 1 UMLS Concept Unique Identifier: C2908911. 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.