Block · Chapter 18
R20-R23 Symptoms and signs involving the skin and subcutaneous tissue (R20-R23)
Block R20-R23 groups 4 categories with 26 billable codes in FY2027.
Where it sits
- Chapter 18 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
- R20-R23 Symptoms and signs involving the skin and subcutaneous tissue (R20-R23)
Neighbouring blocks
- Categories
- 4
- Billable codes
- 26
- CC codes
- 0
- MCC codes
- 0
- HCC V28 codes
- 0
- New FY2027
- 0
Categories in R20-R23
Index main terms
- Mass → R22 (11 entries)
- Change(s) (in) (of) → R20, R23 (8 entries)
- Disturbance(s) → R20 (8 entries)
- Swelling (of) → R22 (8 entries)
- Hemorrhage, hemorrhagic (concealed) → R23 (4 entries)
- Sensation → R20 (4 entries)
- Anesthesia, anesthetic → R20 (3 entries)
- Eruption → R21, R23 (3 entries)
- Symptoms NEC → R23 (3 entries)
- Absence (of) (organ or part) (complete or partial) → R20 (2 entries)
- Increase, increased → R20 (2 entries)
- Loss (of) → R20, R23 (2 entries)
- Rash (toxic) → R21 (2 entries)
- Vesicle → R23 (2 entries)
- Allocheiria, allochiria → R20 (1 entry)
+61 more main terms; the search box finds them by word.
Block instructions
Notes that also apply
Chapter 18 instructions (Notes 9, Excludes2 4): printed on the chapter 18 page.