2027 ICD-10-CM Diagnosis Code B91Sequelae of poliomyelitis
ICD-10-CM Codes›A00–B99›B90-B94›B91
- Billable — Valid for Submission
- POA Exempt
- Not Chronic
B91 is a billable ICD-10-CM diagnosis code for sequelae of poliomyelitis. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 91 through 93. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Sequela of specified infectious disease conditions and Sequela of specified nervous system conditions.
Code Identity
Code Classification
Present on Admission (POA)Billing
B91 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review the other POA exempt codes in Sequelae of infectious and parasitic diseases (B90-B94).
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Bilateral osteopathy of feet following poliomyelitis
- Late effects of poliomyelitis
- Neurogenic urinary bladder following poliomyelitis
- Neuromuscular scoliosis due to and following poliomyelitis
- Neuromuscular scoliosis of cervical spine
- Neuromuscular scoliosis of cervical spine due to and following poliomyelitis
- Neuromuscular scoliosis of lumbar spine
- Neuromuscular scoliosis of lumbar spine due to poliomyelitis
- Neuromuscular scoliosis of lumbosacral junction due to and following poliomyelitis
- Neuromuscular scoliosis of occipitoatlantoaxial spine due to and following poliomyelitis
- Neuromuscular scoliosis of thoracic spine
- Neuromuscular scoliosis of thoracic spine due to poliomyelitis
- Neuromuscular scoliosis of thoracolumbar spine
- Osteopathy of ankle joint region following poliomyelitis
- Osteopathy of bilateral ankles following poliomyelitis
- Osteopathy of bilateral femurs following poliomyelitis
- Osteopathy of bilateral fibulas following poliomyelitis
- Osteopathy of bilateral tibias following poliomyelitis
- Osteopathy of femur following poliomyelitis
- Osteopathy of fibula following poliomyelitis
- Osteopathy of left ankle following poliomyelitis
- Osteopathy of left femur following poliomyelitis
- Osteopathy of left fibula following poliomyelitis
- Osteopathy of left foot following poliomyelitis
- Osteopathy of left humerus following poliomyelitis
- Osteopathy of left tibia following poliomyelitis
- Osteopathy of right ankle following poliomyelitis
- Osteopathy of right femur following poliomyelitis
- Osteopathy of right fibula following poliomyelitis
- Osteopathy of right foot following poliomyelitis
- Osteopathy of right humerus following poliomyelitis
- Osteopathy of right tibia following poliomyelitis
- Osteopathy of tibia following poliomyelitis
- Paresis as late effect of poliomyelitis
- Poliomyelitis osteopathy of bilateral hands
- Poliomyelitis osteopathy of bilateral radii
- Poliomyelitis osteopathy of forearm
- Poliomyelitis osteopathy of hand
- Poliomyelitis osteopathy of left hand
- Poliomyelitis osteopathy of left radius
- Poliomyelitis osteopathy of radius
- Poliomyelitis osteopathy of right hand
- Poliomyelitis osteopathy of right radius
- Poliomyelitis osteopathy of the ankle and/or foot
- Poliomyelitis osteopathy of the lower leg
- Poliomyelitis osteopathy of the upper arm
- Scoliosis due to and following infection
- Scoliosis of cervical spine
- Thoracolumbar neuromuscular scoliosis due to and following poliomyelitis
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to B91: its own notes plus those printed at block B90-B94 and Chapter 1. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- diseases generally recognized as communicable or transmissible
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
- postpolio syndrome (G14)
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.
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- 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)
Code First
The underlying condition named in the note is sequenced before this code.
- condition resulting from (sequela) the infectious or parasitic disease
Use Additional Code
Add a second code, after this one, to fully describe the condition.
- code to identify resistance to antimicrobial drugs (Z16.-)
Notes
General instructions on how these codes are used.
- Categories B90-B94 are to be used to indicate conditions in categories A00-B89 as the cause of sequelae, which are themselves classified elsewhere. The 'sequelae' include conditions specified as such; they also include residuals of diseases classifiable to the above categories if there is evidence that the disease itself is no longer present. Codes from these categories are not to be used for chronic infections. Code chronic current infections to active infectious disease as appropriate.
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name B91, its category, or a range that includes it.
Excludes1 3
These codes carry an Excludes1 note naming B91: they are not reported together with it, unless the two conditions are unrelated.
- Block A80-A89 Viral and prion infections of the central nervous systemsequelae of poliomyelitis (B91)
- G14 Postpolio syndromesequelae of poliomyelitis (B91)
- Z86.1 Personal history of infectious and parasitic diseases
Use Additional Code 1
These codes say to use an additional code from the note, and B91 is one of the codes named.
- M89.6 Osteopathy after poliomyelitiscode (B91) to identify previous poliomyelitis
Notes 1
These notes mention B91.
- Block B90-B94 Sequelae of infectious and parasitic diseasesCategories B90-B94 are to be used to indicate conditions in categories A00-B89 as the cause of sequelae, which are themselves classified elsewhere. The 'sequelae' include conditions specified as such; they also include residuals of diseases classifiable to the above categories if there is evidence that the disease itself is no longer present. Codes from these categories are not to be used for chronic infections. Code chronic current infections to active infectious disease as appropriate. names B90-B94, which includes this code
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Sequelae (of) See Also: condition;
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Polio and Post-Polio Syndrome
Polio, or poliomyelitis, is a disease that spreads from person to person. It is caused by the poliovirus. The virus attacks the nervous system. In serious cases, it can cause paralysis (where you can't move parts of the body). The paralysis may be lifelong and can sometimes be life-threatening.
The full article covers:
- What is polio?
- How does polio spread?
- Who is more likely to develop polio?
- What are the symptoms of polio?
- What is post-polio syndrome (PPS)?
- How is polio diagnosed?
- What are the treatments for polio and post-polio syndrome (PPS)?
- Can polio be prevented?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert B91 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About B91Overview
What is the ICD-10 code for sequelae of poliomyelitis?
The ICD-10-CM code for sequelae of poliomyelitis is B91. It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is B91 (Sequelae of poliomyelitis) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report sequelae of poliomyelitis on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does B91 group to?
When sequelae of poliomyelitis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 91, 92, 93, with relative weights from 0.7783 to 1.7050 depending on complications. Higher weights mean higher Medicare reimbursement.
Is B91 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 poliomyelitis on inpatient claims. The code appears in the Sequelae of infectious and parasitic diseases (B90-B94) range of the CMS exempt list.
Can B91 be reported with G14?
Not as a rule. The Excludes1 note on B91 lists "postpolio syndrome (G14)". 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).
