AutoICD API

J21

Non-billable

Acute bronchiolitis

Acute bronchiolitis

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

Status

Non-billable / Header

Block

J20-J22

Child Codes

4

Coding Notes

Includes

Conditions included under this code

  • acute bronchiolitis with bronchospasm

Excludes 2

Conditions not included here, but the patient may have both

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • smoke inhalation (T59.81-)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • chronic obstructive pulmonary disease with acute lower respiratory infection (J44.0)
  • respiratory bronchiolitis interstitial lung disease (J84.115)

Use Additional Code

Additional codes that should follow this code

  • code, where applicable, to identify:
  • exposure to environmental tobacco smoke (Z77.22)
  • exposure to tobacco smoke in the perinatal period (P96.81)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

Child Codes (4)

J21.0

Acute bronchiolitis due to respiratory syncytial virus

BillableJ21.1

Acute bronchiolitis due to human metapneumovirus

BillableJ21.8

Acute bronchiolitis due to other specified organisms

BillableJ21.9

Acute bronchiolitis, unspecified

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code J21?

ICD-10-CM code J21 represents "Acute bronchiolitis". It is a non-billable header code — use a more specific child code for billing purposes.

Is J21 a billable code?

No, J21 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under J21.

What chapter is J21 in?

J21 is in Chapter 10: Diseases of the Respiratory System (codes J00-J99).

What are the subcategories under J21?

J21 has 4 child codes, including: J21.0 (Acute bronchiolitis due to respiratory syncytial virus), J21.1 (Acute bronchiolitis due to human metapneumovirus), J21.8 (Acute bronchiolitis due to other specified organisms), J21.9 (Acute bronchiolitis, unspecified).

Are additional codes required with J21?

Yes, when using J21 you should also code: code, where applicable, to identify:; exposure to environmental tobacco smoke (Z77.22); exposure to tobacco smoke in the perinatal period (P96.81); history of tobacco dependence (Z87.891); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0).

What are the UMLS CUIs for J21?

J21 is linked to 2 UMLS Concept Unique Identifiers: C0001311, C0264367. 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.