ICD-9-CM diagnosis code (retired)
911.2 — Blister of trunk, without mention of infection
About ICD-9-CM 911.2
911.2 is an ICD-9-CM diagnosis code for Blister of trunk, without mention of infection. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-CM took over.
The CMS General Equivalence Mappings translate it to 7 ICD-10-CM codes, such as S20.129A (Blister (nonthermal) of breast, unspecified breast, initial encounter), S20.92XA (Blister (nonthermal) of unspecified parts of thorax, initial encounter) and S30.820A (Blister (nonthermal) of lower back and pelvis, initial encounter). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
- S20.129ABlister (nonthermal) of breast, unspecified breast, initial encounterapproximate
- S20.92XABlister (nonthermal) of unspecified parts of thorax, initial encounterapproximate
- S30.820ABlister (nonthermal) of lower back and pelvis, initial encounterapproximate
- S30.821ABlister (nonthermal) of abdominal wall, initial encounterapproximate
- S30.825ABlister (nonthermal) of unspecified external genital organs, male, initial encounterapproximate
- S30.826ABlister (nonthermal) of unspecified external genital organs, female, initial encounterapproximate
- S30.827ABlister (nonthermal) of anus, initial encounterapproximate
Common questions about 911.2
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.