2026 ICD-10-CM Diagnosis Code B94.9Sequelae of unspecified infectious and parasitic disease
ICD-10-CM Codes›A00–B99›B90-B94›B94
- Billable — Valid for Submission
- POA Exempt
- Not Chronic
B94.9 is a billable ICD-10-CM diagnosis code for sequelae of unspecified infectious and parasitic disease. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 867 through 869. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Sequela of specified infectious disease conditions.
Code Identity
Code Classification
Present on Admission (POA)Billing
B94.9 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Acquired bronchiectasis
- Acute febrile neutrophilic dermatosis
- Arthropathy associated with bacterial disease
- Avascular necrosis of bone as late effect of osteomyelitis
- Chorea due to and following infective disorder
- Cicatrizing conjunctivitis
- Cold autoimmune hemolytic anemia
- Fatal post-viral neurodegenerative disorder
- Fibrosis of pleura
- Gastrointestinal sequelae of disorders
- Gingival recession following infectious disease
- Hydroa vacciniforme-like lymphoma
- Hydrocephalus following infectious disease
- Hypersensitivity disorder mediated by immune complex
- Hypotrichosis following infectious disease
- Immunoglobulin A vasculitis
- Infection-associated purpura
- Infectious sequelae of disorders
- Intercostal neuralgia
- Intercostal neuropathy
- Kyphosis due to and following infection
- Lordosis deformity of spine due to and following infection
- Neoplastic sequelae of disorders
- Neuroretinitis
- Neuroretinitis following infectious disease
- Parkinsonism following infection
- Paroxysmal cold hemoglobinuria
- Post infectious grand mal epilepsy
- Post infectious osteoarthritis
- Post infectious thrombocytopenic purpura
- Post-bacterial arthropathy
- Postinfectious ataxia
- Post-infectious cicatrizing conjunctivitis
- Post-infectious cold agglutinin disease
- Post-infectious disorder
- Post-infectious glomerulonephritis
- Post-infectious glomerulonephritis - Garland variety
- Postinfectious neuralgia
- Postinfectious osteopathy
- Post-infectious scleredema
- Post-infective bronchiectasis
- Post-infective hypomelanosis
- Post-infective hypopituitarism
- Postinfective immunoglobulin A vasculitis
- Postinfective intercostal neuralgia
- Post-infective malabsorption
- Post-infective myelitis
- Postinfective peripheral neuralgia
- Post-infective pleural fibrosis
- Postinfective segmental neuralgia
- Postviral depression
- Post-viral paroxysmal cold hemoglobinuria
- Scleredema
- Scoliosis due to and following infection
- Secondary kyphosis
- Secondary tic disorder
- Segmental peripheral neuralgia
- Sequela of infection caused by bacterium
- Sequelae of infectious disease
- Shunt nephritis
- Sweet's disease following infection
- Thickening of pleura
- Thickening of skin
- Tic due to and following infection
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Type 2 Excludes
- post COVID-19 condition (U09.9)
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- Sequelae (of) - See Also: condition;
- infectious disease - B94.9
- parasitic disease - B94.9
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- Sequelae(of)
- infectious disease
- Sequelae(of)
- parasitic disease
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Infectious Diseases
Germs, or microbes, are found everywhere - in the air, soil, and water. There are also germs on your skin and in your body. Many of them are harmless, and some can even be helpful. But some of them can make you sick. Infectious diseases are diseases that are caused by germs.
The full article covers:
- What are infectious diseases?
- What are the different types of germs that cause infectious diseases?
- How can you get infectious diseases?
- What are the symptoms of infectious diseases?
- What are the treatments for infectious diseases?
- Can infectious diseases be prevented?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert B94.9 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About B94.9Overview
Is B94.9 a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report sequelae of unspecified infectious and parasitic disease on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does B94.9 group to?
When sequelae of unspecified infectious and parasitic disease is the principal diagnosis on an inpatient stay, it groups to MS-DRG 867, 868, 869, with relative weights from 0.7297 to 2.0932 depending on complications. Higher weights mean higher Medicare reimbursement.
Is B94.9 exempt from POA reporting?
Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for sequelae of unspecified infectious and parasitic disease on inpatient claims.
What is the ICD-9 equivalent of B94.9?
Under the General Equivalence Mappings, sequelae of unspecified infectious and parasitic disease converts to ICD-9-CM 139.8 (late eff infect dis NEC). The mapping is approximate, so confirm the match fits the documentation.
Footnotes
[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.
