Q73.8
Q73.8 — Other reduction defects of unspecified limb(s)
Billable / specific codeICD-10-CMPOA exemptunspecified
Q73.8 is a billable, specific ICD-10-CM code for other reduction defects of unspecified limb(s). It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Longitudinal reduction deformity of unspecified limb(s)
- Ectromelia of limb NOS
- Hemimelia of limb NOS
- Reduction defect of limb NOS
Risk adjustment
Q73.8 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
How Q73.8 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Q73.8.
- Ectromelia
- Hemiectromelia
- Hemimelia
- Aplasia›limb(congenital)
- Deformity›reduction, congenital(extremity) (limb)
- Hypoplasia, hypoplastic›limb
- Defect, defective›reduction›limb
- Defect, defective›reduction›limb›specified type NEC
Related codes at this level
Codes that share Q73. If Q73.8 is not quite right, the correct code is usually one of these.
Questions about Q73.8
- Is Q73.8 a billable ICD-10-CM code?
- Yes. Q73.8 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does Q73.8 sit in the tabular list?
- Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Congenital malformations and deformations of the musculoskeletal system (Q65-Q79).