B91

Billable
ChapterA00–B99
Rankcategory
Official Description

Sequelae of poliomyelitis

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

CH1 Parent Instructions

Includes
  • diseases generally recognized as communicable or transmissible
Excludes1(Not coded here)
  • certain localized infections - see body system-related chapters
Excludes2(Not included here)
  • carrier or suspected carrier of infectious disease (Z22.-)
  • 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)
Use Additional Code
  • code to identify resistance to antimicrobial drugs (Z16.-)

B90-B94 Parent Instructions

Code First
  • condition resulting from (sequela) the infectious or parasitic disease

Instructional Notes

Excludes1(Not coded here)
  • postpolio syndrome (G14)

Clinical Hierarchy

CH1Certain infectious and parasitic diseases (A00-B99)
B90-B94Sequelae of infectious and parasitic diseases (B90-B94)
B91Sequelae of poliomyelitis

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to B91:

blockB90-B94
Sequelae of infectious and parasitic diseases (B90-B94)
View context instructions
chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to B91. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

1 raw paths
Sequelae (of)1 unique routes
poliomyelitis (acute)→B91

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 091
Other Disorders of Nervous System with MCC
DRG 092
Other Disorders of Nervous System with CC
DRG 093
Other Disorders of Nervous System without CC/MCC

Cross Reference

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