ICD-10-CM Codes
A00-B99
B65-B83
B77-
2023 ICD-10-CM Diagnosis Code B77.81

2023 ICD-10-CM Diagnosis Code B77.81

Ascariasis pneumonia

2016

2017

2018

2019

2020

2021

2022

2023

Billable/Specific Code

B77.81 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM B77.81 became effective on October 1, 2022.
This is the American ICD-10-CM version of B77.81 - other international versions of ICD-10 B77.81 may differ.

The following code(s) above B77.81 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to B77.81:

A00-B99
2023 ICD-10-CM Range A00-B99
Certain infectious and parasitic diseases
Includes
- diseases generally recognized as communicable or transmissible
Type 1 Excludes
- certain localized infections - see body system-related chapters
Type 2 Excludes
- carrier or suspected carrier of infectious disease (Z22.-)
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Use Additional
- code to identify resistance to antimicrobial drugs (Z16.-)
Certain infectious and parasitic diseases
B77
ICD-10-CM Diagnosis Code B77
Ascariasis
Includes
- ascaridiasis
- roundworm infection
Ascariasis

ICD-10-CM B77.81 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):

391 Esophagitis, gastroenteritis and miscellaneous digestive disorders with mcc
392 Esophagitis, gastroenteritis and miscellaneous digestive disorders without mcc

Convert B77.81 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change
2022 (effective 10/1/2021): No change
2023 (effective 10/1/2022): No change

Code annotations containing back-references to B77.81:

Type 1 Excludes: J17

ICD-10-CM Diagnosis Code J17
Pneumonia in diseases classified elsewhere
Code First
- underlying disease, such as:
- Q fever (A78)
- rheumatic fever (I00)
- schistosomiasis (B65.0-B65.9)
Type 1 Excludes
- candidial pneumonia (B37.1)
- chlamydial pneumonia (J16.0)
- gonorrheal pneumonia (A54.84)
- histoplasmosis pneumonia (B39.0-B39.2)
- measles pneumonia (B05.2)
- nocardiosis pneumonia (A43.0)
- pneumocystosis (B59)
- pneumonia due to Pneumocystis carinii (B59)
- pneumonia due to Pneumocystis jiroveci (B59)
- pneumonia in actinomycosis (A42.0)
- pneumonia in anthrax (A22.1)
- pneumonia in ascariasis (B77.81)
- pneumonia in aspergillosis (B44.0-B44.1)
- pneumonia in coccidioidomycosis (B38.0-B38.2)
- pneumonia in cytomegalovirus disease (B25.0)
- pneumonia in toxoplasmosis (B58.3)
- rubella pneumonia (B06.81)
- salmonella pneumonia (A02.22)
- spirochetal infection NEC with pneumonia (A69.8)
- tularemia pneumonia (A21.2)
- typhoid fever with pneumonia (A01.03)
- varicella pneumonia (B01.2)
- whooping cough with pneumonia (A37 with fifth-character 1)

Diagnosis Index entries containing back-references to B77.81:

Ascariasis B77.9
ICD-10-CM Diagnosis Code B77.9
Ascariasis, unspecified
- with
  - pneumonia, pneumonitis B77.81
Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) J18.9
ICD-10-CM Diagnosis Code J18.9
Pneumonia, unspecified organism
- in (due to)
  - ascariasis B77.81
- Ascaris B77.81

ICD-10-CM Codes Adjacent To B77.81

B74.9 Filariasis, unspecified

B75 Trichinellosis

B76 Hookworm diseases

B76.0 Ancylostomiasis

B76.1 Necatoriasis

B76.8 Other hookworm diseases

B76.9 Hookworm disease, unspecified

B77 Ascariasis

B77.0 Ascariasis with intestinal complications

B77.8 Ascariasis with other complications

B77.81 Ascariasis pneumonia

B77.89 Ascariasis with other complications

B77.9 Ascariasis, unspecified

B78 Strongyloidiasis

B78.0 Intestinal strongyloidiasis

B78.1 Cutaneous strongyloidiasis

B78.7 Disseminated strongyloidiasis

B78.9 Strongyloidiasis, unspecified

B79 Trichuriasis

B80 Enterobiasis

B81 Other intestinal helminthiases, not elsewhere classified

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2023 ICD-10-CM Diagnosis Code B77.81

Ascariasis pneumonia

Certain infectious and parasitic diseases

Ascariasis

Pneumonia in diseases classified elsewhere

Ascariasis, unspecified

Pneumonia, unspecified organism