N81.84 Pelvic muscle wasting

Billable ICD-10-CM code, FY2026.

Applicable to

• Disuse atrophy of pelvic muscles and anal sphincter

Applies from N81 Female genital prolapse

Excludes1 (never code together)

• genital prolapse complicating pregnancy, labor or delivery (O34.5-)
• prolapse and hernia of ovary and fallopian tube (N83.4-)
• prolapse of vaginal vault after hysterectomy (N99.3)

MS-DRG index

Defines the logic of DRG(s) 742-743 in MDC 13.

Approximate ICD-9-CM (GEMs)

• 618.83 Pelvic muscle wasting

Code annotations containing back-references to N81.84

Back-references to N81.84

• Type 2 Excludes: M62.5 Muscle wasting and atrophy, not elsewhere classified ("pelvic muscle wasting (N81.84)")

Back-references to N81.8

• Type 1 Excludes: N89.8 Other specified noninflammatory disorders of vagina ("old laceration involving muscles of pelvic floor (N81.8)")

Back-references to N81

• Type 1 Excludes: N85 Other noninflammatory disorders of uterus, except cervix ("uterine prolapse (N81.-)")

Diagnosis Index entries for N81.84

• Atrophy, atrophic (of) › anal sphincter (disuse)
• Atrophy, atrophic (of) › muscle, muscular (diffuse) (general) (idiopathic) (primary) › pelvic (disuse)
• Atrophy, atrophic (of) › pelvic muscle

Nearby codes

• N81.6 Rectocele
• N81.8 Other female genital prolapse
• N81.81 Perineocele
• N81.82 Incompetence or weakening of pubocervical tissue
• N81.83 Incompetence or weakening of rectovaginal tissue
• N81.84 Pelvic muscle wasting (this code)
• N81.85 Cervical stump prolapse
• N81.89 Other female genital prolapse
• N81.9 Female genital prolapse, unspecified