ICDcodes.org
FY2027

I97.2 — Postmastectomy lymphedema syndrome

Billable

Is I97.2 billable?

Yes — I97.2 is billable for FY2027. I97.2 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. I97.2 may be submitted for encounters from October 1, 2026 through September 30, 2027.

I97.2 at a glance

CodeI97.2
DescriptionPostmastectomy lymphedema syndrome
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does I97.2 group to?

I97.2 sits in MDC 09 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 600Non-Malignant Breast Disorders with CC/MCCmedical
  • 601Non-Malignant Breast Disorders without CC/MCCmedical

How is I97.2 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to I97.2. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Postmastectomy lymphedema (syndrome)
  • Lymphedema › postmastectomy (acquired)
  • Syndrome › postmastectomy lymphedema
  • Complication › surgical procedure › postmastectomy lymphedema syndrome (s) (from) (of)
  • Edema, edematous › lymphatic › due to mastectomy (infectious) (pitting) (toxic)
  • Elephantiasis › due to › mastectomy (nonfilarial)
  • Elephantiasis › lymphatic vessel › due to mastectomy (nonfilarial)
  • Elephantiasis › surgical › postmastectomy (nonfilarial)
  • Lymphedema › surgical NEC › postmastectomy (acquired)
  • Obliteration › lymphatic vessel › due to mastectomy
  • Complication › circulatory system › postprocedural › lymphedema after mastectomy (s) (from) (of)
  • Complication › surgical procedure › elephantiasis or lymphedema › postmastectomy (s) (from) (of)

Inclusion terms

Alternative wording in documentation that is classified to I97.2.

  • Elephantiasis due to mastectomy
  • Obliteration of lymphatic vessels

Excludes2 — not included here — inherited from Chapter 9

The conditions below are not part of I97.2, but a patient may have both at the same time. When documentation supports it, I97.2 and the excluded code may both be reported.

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

Excludes2 — not included here — inherited from I97

The conditions below are not part of I97.2, but a patient may have both at the same time. When documentation supports it, I97.2 and the excluded code may both be reported.

How long has I97.2 existed?

I97.2 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which codes are confused with I97.2?

ICD-10-CM declares these codes mutually exclusive with I97.2 — exactly one of each pair can be correct for a given encounter.

Which conditions are coded to I97.2?

What other codes are in the I97 family? (8)