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O99.1

Non-billable

Other dis blood/immune compl preg/childbrth

Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium

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

Status

Non-billable / Header

Block

O94-O9A

Parent Code

O99

Child Codes

3

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

Includes

Conditions included under this code

  • conditions which complicate the pregnant state, are aggravated by the pregnancy or are a main reason for obstetric care

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

  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • postpartum necrosis of pituitary gland (E23.0)
  • puerperal osteomalacia (M83.0)
  • when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)

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.
  • code to identify specific condition

Child Codes (3)

O99.11

Oth diseases of the bld/bld-form org/immun mechnsm comp preg

O99.12

Oth dis of the bld/bld-form org/immun mechnsm comp chldbrth

BillableO99.13

Oth dis of the bld/bld-form org/immun mechnsm comp the puerp

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code O99.1?

ICD-10-CM code O99.1 represents "Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium". It is a non-billable header code — use a more specific child code for billing purposes.

Is O99.1 a billable code?

No, O99.1 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under O99.1.

What chapter is O99.1 in?

O99.1 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).

What codes cannot be used with O99.1?

O99.1 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-); hemorrhage with coagulation defects (O45.-, O46.0-, O67.0, O72.3).

What are the subcategories under O99.1?

O99.1 has 3 child codes, including: O99.11 (Oth diseases of the bld/bld-form org/immun mechnsm comp preg), O99.12 (Oth dis of the bld/bld-form org/immun mechnsm comp chldbrth), O99.13 (Oth dis of the bld/bld-form org/immun mechnsm comp the puerp).

Are additional codes required with O99.1?

Yes, when using O99.1 you should also code: code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.; code to identify specific condition.

What are the UMLS CUIs for O99.1?

O99.1 is linked to 2 UMLS Concept Unique Identifiers: C2909620, C0477878. 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.