E87.79: Other fluid overload

E87.79, other fluid overload, is listed as a covered diagnosis in 3 Medicare billing and coding articles that apply to 14 HCPCS Level II codes, including Q9957 (Injection, perflutren lipid microspheres, per ml), Q9956 (Injection, octafluoropropane microspheres, per ml), C8925 (Transesophageal echocardiography (tee) with contrast, or…). The articles come from 3 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.

HCPCS Level II codes with E87.79 as a covered diagnosis

Code	Description	Medicare coverage	DMEPOS fee 2026 (state range)	Articles listing it
Q9957	Injection, perflutren lipid microspheres, per ml	Carrier judgment	—	1
Q9956	Injection, octafluoropropane microspheres, per ml	Carrier judgment	—	1
C8925	Transesophageal echocardiography (tee) with contrast, or without contrast followed by with contrast, real time with image documentation (2d) (with or without m-mode recording); including probe placement, image acquisition, interpretation and report	Special coverage instructions apply	—	1
C8926	Transesophageal echocardiography (tee) with contrast, or without contrast followed by with contrast, for congenital cardiac anomalies; including probe placement, image acquisition, interpretation and report	Special coverage instructions apply	—	1
C8927	Transesophageal echocardiography (tee) with contrast, or without contrast followed by with contrast, for monitoring purposes, including probe placement, real time 2-dimensional image acquisition and interpretation leading to ongoing (continuous) assessment of (dynamically changing) cardiac pumping function and to therapeutic measures on an immediate time basis	Special coverage instructions apply	—	1
Q9955	Injection, perflexane lipid microspheres, per ml	Carrier judgment	—	1
G0278	Iliac and/or femoral artery angiography, non-selective, bilateral or ipsilateral to catheter insertion, performed at the same time as cardiac catheterization and/or coronary angiography, includes positioning or placement of the catheter in the distal aorta or ipsilateral femoral or iliac artery, injection of dye, production of permanent images, and radiologic supervision and interpretation (list separately in addition to primary procedure)	Carrier judgment	—	1
G0269	Placement of occlusive device into either a venous or arterial access site, post surgical or interventional procedure (e.g., angioseal plug, vascular plug)	Special coverage instructions apply	—	1
J0461	Injection, atropine sulfate, 0.01 mg	Special coverage instructions apply	—	1
J0153	Injection, adenosine, 1 mg (not to be used to report any adenosine phosphate compounds)	Special coverage instructions apply	—	1
J1250	Injection, dobutamine hydrochloride, per 250 mg	Special coverage instructions apply	—	1
J0280	Injection, aminophyllin, up to 250 mg	Special coverage instructions apply	—	1
J1245	Injection, dipyridamole, per 10 mg	Special coverage instructions apply	—	1
A9700	Supply of injectable contrast material for use in echocardiography, per study	Special coverage instructions apply	—	1

Medicare policy articles listing E87.79

A56505: Billing and Coding: Transesophageal Echocardiography (TEE) (Novitas Solutions, Inc. (MAC - Part A, MAC - Part B); 6 Level II codes). LCD with the same title: L33579, L34337, L35016
A56500: Billing and Coding: Cardiac Catheterization and Coronary Angiography (CGS Administrators, LLC (MAC - Part A, MAC - Part B); 2 Level II codes). LCD with the same title: L33557, L33959
A56625: Billing and Coding: Echocardiography (Palmetto GBA (MAC - Part A, MAC - Part B); 6 Level II codes). LCD with the same title: L37379

A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.

Other E87 diagnoses (Other disorders of fluid, electrolyte and acid-base balance)

E87.71 — Transfusion associated circulatory overload
E87.20 — Acidosis, unspecified
E87.21 — Acute metabolic acidosis
E87.22 — Chronic metabolic acidosis
E87.29 — Other acidosis

Frequently asked questions

Does Medicare cover E87.79 (Other fluid overload)?

Medicare covers items and services, not diagnoses. 3 Medicare billing and coding articles list E87.79 as a covered diagnosis for 14 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.

Which HCPCS codes can be billed with ICD-10 E87.79?

The Level II codes from the policies most specific to this diagnosis are Q9957 (Injection, perflutren lipid microspheres, per ml, 1 article); Q9956 (Injection, octafluoropropane microspheres, per ml, 1 article); C8925 (Transesophageal echocardiography (tee) with contrast, or…, 1 article); C8926 (Transesophageal echocardiography (tee) with contrast, or…, 1 article); C8927 (Transesophageal echocardiography (tee) with contrast, or…, 1 article). Code choice depends on the item supplied; check each code's descriptor.

Which Medicare policy articles list E87.79?

A56505 (Billing and Coding: Transesophageal Echocardiography (TEE)); A56500 (Billing and Coding: Cardiac Catheterization and Coronary Angiography); A56625 (Billing and Coding: Echocardiography).

What is ICD-10-CM code E87.79?

E87.79 is the ICD-10-CM code for other fluid overload, in category E87 (Other disorders of fluid, electrolyte and acid-base balance), chapter 4: Endocrine, nutritional and metabolic diseases.

Next steps

Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.

Chapter 4: Endocrine, nutritional and metabolic diseases · All diagnoses · HCPCS lookup