ICD-10-CM 2027 diagnosis code
E84.19Cystic fibrosis with other intestinal manifestations
E84.19 is a valid, billable ICD-10-CM code for cystic fibrosis with other intestinal manifestations. It can be reported on claims for dates of service from October 1, 2026 – September 30, 2027.
Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About E84.19
E84.19 is the ICD-10-CM diagnosis code for cystic fibrosis with other intestinal manifestations. It belongs to category E84 (cystic fibrosis), block E70-E88 (metabolic disorders) and chapter 4 (endocrine, nutritional and metabolic diseases). It is billable, so it can be reported on its own for dates of service from October 1, 2026 through September 30, 2027.
Within E84.1, choose E84.19 (Cystic fibrosis with other intestinal manifestations) only when documentation doesn't support a more specific option: meconium ileus in cystic fibrosis (E84.11).
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
In MS-DRG v44.0, it is part of the grouping logic for DRG 393 (Other Digestive System Diagnoses with MCC, relative weight 1.5881), DRG 394 (Other Digestive System Diagnoses with CC, relative weight 0.9228) and DRG 395 (Other Digestive System Diagnoses without CC/MCC, relative weight 0.6382), in MDC 06 (Diseases and Disorders of the Digestive System), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
Before ICD-10, this condition was coded in ICD-9-CM as 277.03 (cystic fibrosis with gastrointestinal manifestations).
Coding notes
- Distal intestinal obstruction syndrome
Notes that apply from higher levels
Instructions written at a parent level also apply to E84.19.
› From E84 Cystic fibrosis
- mucoviscidosis
- exocrine pancreatic insufficiency (K86.81)
Broader instructions also apply from E70-E88 Metabolic disorders and Chapter 4: Endocrine, nutritional and metabolic diseases.
Alphabetic index entries
3 entriesTerms in the official ICD-10-CM index that lead to E84.19.
MS-DRG v44.0 grouping
All DRGs →Inpatient MS-DRGs this diagnosis can group to, as the principal or a secondary diagnosis, depending on the rest of the claim.
MDC 06 · Diseases and Disorders of the Digestive System
ICD-9-CM equivalent
Converter →- 277.03Cystic fibrosis with gastrointestinal manifestationsapproximate
From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about E84.19
Is E84.19 billable?
- Yes. E84.19 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can E84.19 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict E84.19 as a principal diagnosis.
Is E84.19 a CC or MCC?
- E84.19 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.
What DRG does E84.19 group to?
- E84.19 is used in the MS-DRG v44.0 logic for MS-DRG 393 (Other Digestive System Diagnoses with MCC), MS-DRG 394 (Other Digestive System Diagnoses with CC) and MS-DRG 395 (Other Digestive System Diagnoses without CC/MCC). Which one applies depends on whether it is the principal diagnosis and on the rest of the claim.
What is the ICD-9 code for E84.19?
- The CMS General Equivalence Mappings map E84.19 to ICD-9-CM 277.03.