J84.842 — Pulmonary interstitial glycogenosis
Is J84.842 billable?
Yes — J84.842 is billable for FY2027. J84.842 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. J84.842 may be submitted for encounters from October 1, 2026 through September 30, 2027.
J84.842 at a glance
| Code | J84.842 |
|---|---|
| Description | Pulmonary interstitial glycogenosis |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does J84.842 group to?
J84.842 sits in MDC 04 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 196Interstitial Lung Disease with MCCmedical
- 197Interstitial Lung Disease with CCmedical
- 198Interstitial Lung Disease without CC/MCCmedical
As a secondary diagnosis, J84.842 is a major complication or comorbidity (MCC), which can move a stay into a higher-paying DRG.
How is J84.842 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to J84.842. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Glycogenosis › pulmonary interstitial (diffuse) (generalized)
Excludes1 — never code together — inherited from J84
The conditions below can never be reported together with J84.842 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from J84.8
The conditions below can never be reported together with J84.842 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Use additional code — inherited from Chapter 10
Report an additional code alongside J84.842 to fully describe the condition. J84.842 is sequenced first.
Excludes2 — not included here — inherited from Chapter 10
The conditions below are not part of J84.842, but a patient may have both at the same time. When documentation supports it, J84.842 and the excluded code may both be reported.
- 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)
Excludes2 — not included here — inherited from J84
The conditions below are not part of J84.842, but a patient may have both at the same time. When documentation supports it, J84.842 and the excluded code may both be reported.
- lung diseases due to external agents (J60-J70)
Code also — inherited from J84
Two codes may be needed to describe the condition fully. Whether J84.842 is sequenced first depends on the reason for the encounter.
- , if applicable, associated condition
How long has J84.842 existed?
J84.842 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.