2027 ICD-10-CM Diagnosis Code J98.9Respiratory disorder, unspecified
ICD-10-CM Codes›J00–J99›J96-J99›J98
- Billable — Valid for Submission
- Not Chronic
J98.9 is a billable ICD-10-CM diagnosis code for respiratory disorder, unspecified. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 205 through 206. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified lower respiratory disease.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Adenoviral respiratory disease
- Airway morbidity
- Alopecia, nail dystrophy, ophthalmic complications, thyroid dysfunction, hypohidrosis, ephelides, enteropathy and respiratory tract infections
- Cardiac arrest due to respiratory disorder
- Chronic disease of respiratory system
- Disease of the respiratory system complicating pregnancy, childbirth and/or the puerperium
- Disorder of lower respiratory system
- Disorder of respiratory system
- Disorder of respiratory system co-occurrent with human immunodeficiency virus infection
- Erythrocytosis due to pulmonary disease
- Erythrocytosis due to tissue hypoxemia
- Fetal disorder due to chronic maternal respiratory disease
- Fetal disorder due to maternal respiratory disease
- Inhaler technique - good
- Polycythemia due to cyanotic respiratory disease
- Respiratory complication
- Respiratory complications of care
- Respiratory disease requiring assisted mechanical ventilation
- Respiratory disease treatment started
- Respiratory morbidity
- Respiratory treatment changed
- Spontaneous pneumothorax
- Spontaneous pneumothorax due to respiratory disease
- Tracheobronchial disorder
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to J98.9: its own notes plus those printed at J98 and Chapter 10. A note printed at a category, block or chapter applies to every code under it.
Applicable To
Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.
- Respiratory disease (chronic) NOS
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may 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)
Notes
General instructions on how these codes are used.
- When a respiratory condition is described as occurring in more than one site and is not specifically indexed, it should be classified to the lower anatomic site (e.g. tracheobronchitis to bronchitis in J40).
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) M19.90
respiratory disorder NOS J98.9
respiratory disorder NEC See Also: subcategory M14.8-; J98.9
Disease, diseased See Also: Syndrome;
chest J98.9
respiratory (tract) J98.9
chronic NOS J98.9
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Respiratory System Disorder
a non-neoplastic or neoplastic disorder that affects the respiratory system. representative examples include pneumonia, chronic obstructive pulmonary disease, pulmonary failure, lung adenoma, lung carcinoma, and tracheal carcinoma.
Convert J98.9 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About J98.9Overview
What is the ICD-10 code for respiratory disorder, unspecified?
The ICD-10-CM code for respiratory disorder, unspecified is J98.9 (sometimes written as J989). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is J98.9 (Other respiratory disorders) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report respiratory disorder, unspecified on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does J98.9 group to?
When respiratory disorder, unspecified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 206, 205, with relative weights from 0.9255 to 1.8244 depending on complications. Higher weights mean higher Medicare reimbursement.
Can J98.9 be reported with a code from P28.4?
Not as a rule. The Excludes1 note at J98, which applies to J98.9, lists "newborn apnea (P28.4-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
Does J98.9 need an additional code?
When the condition applies, yes. The Use Additional Code note at J98, which applies to J98.9, reads: code 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.-); and 1 more listed in the Instructional Notes section. The additional code is reported after J98.9.
