ICD-10-CM Alphabetic Index · FY 2026 30 Entries
Difficult in the ICD-10-CM Index ICD-10-CM
The main term Difficult, difficulty (in) carries 30 index entries pointing to 22 ICD-10-CM codes. Every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
30
Index Entries
22
Codes Referenced
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Default Code
D
Letter
30 of 30 shown
ICD-10-CM
Index Entries Under Difficult 30 entries · 22 codes
Difficult, difficulty (in)
acculturation Z60.3
feeding R63.30
elderly R63.39
infant NOS R63.39
newborn P92.9
breast P92.5
specified NEC P92.8
nonorganic (infant or child) F98.29
specified NEC R63.39
intubation, in anesthesia T88.4 Non-billable
mechanical, gastroduodenal stoma K91.89
causing obstruction K91.30 see also Obstruction, intestine, postoperative
micturition
need to immediately re-void R39.191
position dependent R39.192
specified NEC R39.198
reading (developmental) F81.0
secondary to emotional disorders F93.9
spelling (specific) F81.81
with reading disorder F81.89
due to inadequate teaching Z55.8
swallowing see Dysphagia
understanding
medication instructions Z55.6
walking R26.2
work
conditions NEC Z56.5
schedule Z56.3
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.
